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The Tucson 2015 Best Offer Mineral Auction

Each auction specimen will be presented with it's Original Retail Price and Suggested Reserve Price Level.
Please feel free to place a bid at this level or make your own offer above or below the number. Any offers
that are below the Suggested Reserve Price must be approved before they are accepted into the auction.
In the event the offer is too low, an e-mail with our counteroffer with be sent for your consideration.

Please make your best offer because this will increase your odds of winning. Proxy bidding is available.

This is a One Week Auction Only - Good luck and have fun!

Most Recent Update was ....... 9:28 PM  July 28th, 2015

The Auction is Closed! Congratulations to all Winners!

Auction Specimens without bids may still be purchased!
Please email me your best offer!

To Place a Bid or Offer in the Auction, Please Select the "Click to Bid" Button Below Each Item.

Tucson2015-84FluoriteCalcitePyriteElHammamMineMorocco14cm.jpg (412866 bytes)
Item #A1

Very fine specimen of green Fluorite with Pyrite accenting climbing atop and over white Calcite!
These grassy-green Fluorite cubes are in excellent condition and really light up and glow under direct lighting.
The golden Pyrite micro-crystals add the perfect touch and accent both the Calcite and the Fluorite faces. This
is a cabinet sized combo piece and one of the best specimens from this locality that I've seen in quite some time.
From the El Hammam Mine, El Hammam, Meknčs, Meknčs Prefecture, Meknčs-Tafilalet Region, Morocco.
Measures 6 cm by 14 cm by 8.5 cm in total size.
Ex. Dawson Calcite Collection
Fair Market Value $2500

* Our Suggested Reserve Price Level - $1350
Minimum Increment - $35

Highest Bid or Offer Time Date Location
Enter Your Best Offer!      
       
       
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Tucson2015-221GoldOlinghouseNevada5cm.jpg (407728 bytes)
Item #A2

Incredibly fine yellow dendrites of Native Gold in Calcite matrix vugs!
These brilliant and lustrous dendrites seem to pop out of every vug and crevice in the
white Calcite matrix. They are so fine and well formed that magnification only enhances
the eye appeal of this very rich specimen. Gold can also be seen in seams along the edges.
From the Olinghouse District, Washoe County, Nevada.
Measures 2.5 cm by 5 cm by 3.3 cm in total size.
Ex. Kappus Mineral Collection
Fair Market Value $2250

* Our Suggested Reserve Price Level - $900
Minimum Increment - $25

Highest Bid or Offer Time Date Location
Enter Your Best Offer!      
       
       
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Tucson2014-154SilverOreCreedeColorado88mm.jpg (337437 bytes)
Item #A3

Very rich slab of Native Silver with a Quartz and Galena rind and a Barite crystal vug!
This was one incredibly rich seam and a this slab was cut from it probably 50 or so years
ago. The majority of the slab is solid Silver with Quartz and Galena making up some of
the surrounding edge. Near the center is a small opening or vug in which Barite crystals
have grown. The vug goes all the way through to both sides as does the Silver itself.
From the Creede Mining District, Creede, Mineral County, Colorado.
Measures 4.5 cm by 8.8 cm by .7 cm in total size.
Ex. Kleine Mineral Collection
Fair Market Value $1500

* Our Suggested Reserve Price Level - $850
Minimum Increment - $25

Highest Bid or Offer Time Date Location
$750.00 4:12 PM 7/22/15 Austin, TX
$775.00 11:26 AM 7/25/15 Parker, CO
       
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Denver2014-41TanzaniteMerelaniHillsTanzania32mm.jpg (186876 bytes) Denver2014-41b.jpg (147330 bytes)
Item #A4

Gemmy crystal cluster of Zoisite var. Tanzanite on Calcite matrix!
This is a superb specimen, featuring three distinct crystals of natural Tanzanite in a small
cluster. There are three perfect terminations on the top, all displaying tremendous flash and
glassy luster. The bottom side is also terminated making this specimen doubly terminated
where the Tanzanite pokes through the Calcite crystal matrix. Matrix specimens of this
gorgeous gemstone are very difficult to find in the marketplace and specimens that display
more than one crystal are even rarer. This Tanzanite has not been heat treated and fully
displays the blue and purple that Tanzanite is famous for, depending on the orientation.
If the crystal is viewed from the top with a light, the third color, red, becomes apparent.
From the Merelani Hills, Lelatema Mts, Simanjiro District, Manyara Region, Tanzania.
Measures 3.3 cm by 2.6 cm by 2.5 cm in total size.
Ex. David Wellbrook Mineral Collection
Fair Market Value $6500

* Our Suggested Reserve Price Level - $3950
Minimum Increment - $50

Highest Bid or Offer Time Date Location
$3500.00 4:20 AM 7/23/15 Baden, Switzerland
       
       
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Denver2014-383RealgarPalomoMinePeru82mm.jpg (347434 bytes)
Item #A5

Deep red crystals of Realgar and Anorpiment and possibly Galena sitting atop Quartz needles!
This is an eye catching specimen, with bright red Realgar crystals measuring to 2.2 cm in size.
They sit atop and between crystals of clear needle Quartz, some of which are capped by rounded
nodules of yellowish-brown Anorpiment and a metallic mineral that may be Galena. Overall, the
specimen is in great shape with only a few minor bumps scattered about. Some of the smaller
Realgars are incomplete but this is natural and certainly doesn't take away from the much larger,
translucent crystals at top center. The Palomo Mine is an old Silver mine which has long been
closed. Recently, it has been worked by locals and freelance miners searching for specimens.
From the Palomo Mine, Castrovirreyna Province, Huancavelica Department, Peru.
Measures 4.7 cm by 8.3 cm by 7 cm in total size.
Fair Market Value $1500

* Our Suggested Reserve Price Level - $750
Minimum Increment - $25

Highest Bid or Offer Time Date Location
$600.00 12:47 PM 7/25/15 Madrid, Spain
       
       
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Denver2014-55CerussiteTsumebNamibia8cm.jpg (241989 bytes)
Denver2014-55b.jpg (244254 bytes)
Item #A6

Fine, glassy crystals of Cerussite with Malachite atop matrix!
Aesthetic specimen featuring half a dozen Cerussite crystals measuring to 2.5 cm in size.
The largest crystal (shown in the close up photo) is gemmy to translucent with a glassy luster.
It display a sixling crystal structure and only a couple of very minor contacts along the edges.
It's surrounded by smaller Cerussite crystals and a scattering of green Malachite atop the matrix.
From the Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia.
Measures 8 cm by 4.2 cm by 4.7 cm in total size.
Fair Market Value $1850

* Our Suggested Reserve Price Level - $900
Minimum Increment - $35

Highest Bid or Offer Time Date Location
Enter Your Best Offer!      
       
       
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Tucson2015-207CalciteHematiteHelenMacleodMinesCanada7cm.jpg (394713 bytes)
Item #A7

Glassy crystals of transparent Calcite with red Hematite inclusions!
The crystals here appear as stacked pillars, perfectly terminated and completely colorless except for
the reddish-brown Hematite inclusions along the left edge of each Calcite, extending upwards to the tips.
These inclusions are just beneath the surface. In excellent condition with few contacts and flashy luster.
This locality is a combination of two overlapping mines - the George W. MacLeod Mine and the Helen Mine.
From the Helen-MacLeod Mines, McMurray and Chabanel Townships, Algoma District, Ontario, Canada.
Measures 7 cm by 6.8 cm by 3.4 cm in total size.
Ex. Dawson Calcite Collection
Fair Market Value $895

* Our Suggested Reserve Price Level - $500
Minimum Increment - $25

Highest Bid or Offer Time Date Location
$525.00 8:20 PM 7/28/15 Brownsville, TX
$550.00 8:21 PM 7/28/15 Warsaw, Poland
       
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Denver2014-461AquamarineSchorlErongoMtNamibia.jpg (306512 bytes)
Item #A8

Aesthetic combination of Aquamarine crystals with Schorl Tourmaline on Albite!
This specimen is visually pleasing with its criss-crossing Aquamarine crystals in the
foreground and large, black, glassy-surfaced Schorl Tourmalines in the background.
The Schorl is doubly terminated while the Aquamarines are all terminated with gemmy
blue tips. No damage to speak of. Only one missing Aqua crystal on the back side which is
hidden from the viewing side. If you're looking for a great Erongo combo, this is your piece.
From Erongo Mountain, Erongo Region, Namibia.
Measures 6.6 cm by 7.3 cm by 5.8 cm in total size.
Fair Market Value $1850

* Our Suggested Reserve Price Level - $950
Minimum Increment - $25

Highest Bid or Offer Time Date Location
Enter Your Best Offer!      
       
       
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Tucson2015-167AmethystGobobosebMountainsNamibia105mm.jpg (363771 bytes)
Item #A9

Beautifully Amethyst phantomed Quartz crystal sitting atop a bed of smaller Quartz crystals!
This is one of the finest phantoms I've seen from the Brandberg District. The large, upright and
perfectly terminated Quartz crystal has completely engulfed a smaller, terminated Amethyst and
the crystal is easily visible due to the clarity of the Quartz which surrounds it. Overall, the specimen
is nearly pristine with barely a contact anywhere and all tips are sharp and true. The largest Quartz
is horizontally striated which allows for a spectacular flowing luster up and down it's surfaces. I'm not
a Quartz collector and I don't know much about Metaphysical powers but this specimen impresses me!
From the Goboboseb Mts, Brandberg Area, Erongo Region, Namibia.
Measures 9.3 cm by 10.5 cm by 5.6 cm in total size.
Fair Market Value $2850

* Our Suggested Reserve Price Level - $1500
Minimum Increment - $35

Highest Bid or Offer Time Date Location
$1400.00 2:23 AM 7/23/15 Singapore-3
       
       
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Tucson2014-387AzuriteMalachiteMorenciMineArizona13cm.jpg (319563 bytes)
Item #A10

Gorgeous mix of smooth Malachite spherules with crystalline Azurite balls on Goethite!
I love these old Arizona classics from Morenci but they rarely come to market anymore.
A specimen of this quality and coverage is a rare opportunity indeed. The Malachite balls
are smooth and satiny in texture. They contrast beautifully with the crystalline Azurite balls
which cover the surface from top to bottom. In very good condition for the age with no damage.
From the Morenci Mine, Morenci, Clifton-Morenci District, Shannon Mts., Greenlee Co., Arizona.
Measures 12.8 cm by 8 cm by 7.2 cm in total size.
Ex. T. Szenics Mineral Collection

Fair Market Value $2850

* Our Suggested Reserve Price Level - $1250
Minimum Increment - $35

Highest Bid or Offer Time Date Location
$900.00 8:01 PM 7/27/15 Berkeley, CA
       
       
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Denver2014-430ChalcopyriteSphaleriteCampBirdColorado96mm.jpg (368758 bytes)
Item #A11

Classic combination plate of Chalcopyrite crystals with Sphalerite and Quartz points!
From the Camp Bird Mine, one of the most famous mines in the state of Colorado, this specimen
displays a heavy coverage of lustrous Chalcopyrite crystals mixed with terminated Quartz points.
Dark, shiny crystals of Sphalerite can be seen along the lower right and top right of the plate. They
contrast well with the white Quartz and slightly iridescent Chalcopyrite. In excellent condition with
only one missing Quartz crystal towards the far back edge where it was probably attached to matrix.
From the Camp Bird Mine, Camp Bird, Ouray, Ouray District, San Juan Mts, Ouray Co., Colorado.
Measures 6.4 cm by 9.7 cm by 6.8 cm in total size.
Fair Market Value $2450

* Our Suggested Reserve Price Level - $1250
Minimum Increment - $35

Highest Bid or Offer Time Date Location
$950.00 11:30 AM 7/25/15 Parker, CO
       
       
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Tucson2015-133RhodoniteFranklinMineNewJersey52mm.jpg (376959 bytes)
Item #A12

Large, deep red crystal of Rhodonite with Franklinite and white Calcite matrix!
This large terminated crystal is full of gem material and displays a perfect termination at top.
The entire specimen lights up under UV and rarely do I come across such large Rhodonite
crystals of this quality. This is from an European collection which has been off the market
for years and I've very pleased to have such an impressive classic specimen on the website.
From the Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey.
Measures 5 cm by 5.3 cm by 4.2 cm in total size.
Ex. Martin Zinn, Van Tichelen Mineral Collections

Fair Market Value $3850

* Our Suggested Reserve Price Level - $1950
Minimum Increment - $35

Highest Bid or Offer Time Date Location
Enter Your Best Offer!      
       
       
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Denver2014-99AmazoniteSmokeyQuartzTwoPointClaimColorado11cm.jpg (355395 bytes)
Item #A13

Wonderfully rich plate of Smoky Quartz on Amazonite with Goethite ps. Siderite crystals!
First of all, the color of the Amazonite is excellent! That's one of the most important factors
for these combo specimens. Secondly, the Smoky points are all terminated and complete
with only a single nearly invisible repair to the large 6+ cm Smoky in the center. The
brownish crystals to the upper right are Goethite pseudomorphing Siderite crystals.
From Ken's Pocket, Two Point Claim, Teller County, Colorado.
It measures 10.5 cm by 11.5 cm by 9 cm in total size.
Fair Market Value $6500

* Our Suggested Reserve Price Level - $3950
Minimum Increment - $50

Highest Bid or Offer Time Date Location
Enter Your Best Offer!      
       
       
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Tucson2015-109CalciteHunanProvinceChina.jpg (436360 bytes)
Item #A14

Incredibly gemmy, transparent and colorless Calcite crystal perched atop golden Calcite crystals on matrix!
Gorgeous specimen which displays a large 4.4 cm Calcite, colorless with extreme brilliance, sitting atop a surface
covered by light golden Calcites. The entire matrix is covered by the golden Calcites from one end to the other
and both these and the largest Calcite crystal at top are in excellent condition. Tons of eye appeal and flash here.
From an area south of the Great Wall of China, Hunan Province, China.
Measures 7.8 cm by 12.5 cm by 4.7 cm in total size.
Ex. Dawson Calcite Collection

Fair Market Value $2850

* Our Suggested Reserve Price Level - $1000
Minimum Increment - $35

Highest Bid or Offer Time Date Location
$800.00 4:25 PM 7/28/15 Portsmouth, VA
       
       
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Tucson2014-269NeptuniteCalifornia10cm.jpg (359215 bytes)
Item #A15

Sculptural specimen featuing a cluster of black Neptunite crystals with Benitoite on Natrolite!
This is a cute specimen which features a complete cluster spray of shiny Neptunite crystals.
There's over a dozen crystals here with most rising up from the cluster on the left and pointing
outwards in all directions. The crystals are terminated and one laying horizontally across the
matrix is doubly terminated. A single Benitoite crystal can be seen near the far right edge.
From the Dallas Gem Mine, New Idria District, Diablo Range, San Benito Co., California.
Measures 6 cm by 9.7 cm by 7.5 cm in total size.
Ex.
Macchiarola Mineral Collection
Fair Market Value $985

* Our Suggested Reserve Price Level - $500
Minimum Increment - $25

Highest Bid or Offer Time Date Location
$425.00 8:18 AM 7/23/15 Knoxville, TN
       
       
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Tucson2015-261CalciteChina64mm.jpg (242035 bytes)
Item #A16

Red Calcite capped Calcite crystal!
The lower scalenohedral Calcite, included and coated by reddish Hematite, has been capped
at the top with a large flattened Calcite. The second Calcite at top is gemmier and also colored
by the same red Hematite. It takes on the appearance of a "hat" for the Calcite scalenohedron.
 From Leiping Mine, Leiping, Guiyang Co., Chenzhou Prefecture, Hunan Province, China.
Measures 6.4 cm by 6.2 cm by 6 cm in total size.
Ex. Dawson Calcite Collection

Fair Market Value $1250

* Our Suggested Reserve Price Level - $700
Minimum Increment - $25

Highest Bid or Offer Time Date Location
$600.00 5:41 AM 7/28/15 Warsaw, Poland
       
       
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Denver2014-35Meteorite-CampodelCieloFormosa,Argentina.jpg (261075 bytes)
Item #A17

Iron-Nickel (IAB) meteorite from the Campo del Cielo impact!
This is an impressive Meteorite from the epic fall with well formed regmaglypts and a very
lusterous surface! It can easily be displayed well from either side and is completely covered
with a good number of regmaglypt impressions. The form is quite excellent and well balanced.
Special Note: On January 1, 2008 Argentina implemented a new law prohibiting the exportation
of meteorites. When the available supply on the market is exhausted, obtaining a specimen
will become extremely difficult. Now is the time to obtain a meteorite for your collection.
From the Campo del Cielo impact at Formosa, Argentina - discovered in 1576.
Age is approximately 4000 years old.
Measures 7.7 cm by 8.8 cm by 6 in size and weighs 1108 grams.

Fair Market Value $1850

* Our Suggested Reserve Price Level - $985
Minimum Increment - $25

Highest Bid or Offer Time Date Location
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Denver2014-165BariteCalciteMinervaMineHardinCountyIllinois.jpg (189332 bytes)
Item #A18

Classic combination of blue Barite clusters on Golden Calcite crystals!
A beautiful combination, the likes of which I don't see very often. These came out decades ago
and every now and then a few come to market and disappear very quickly when they do. This
example is in excellent condition with very few incomplete tips and the only contacts being along
the back side separation edge, completely out of view. The powder-blue Barite clusters measure
to 2 cm in size and are all glassy lustrous as are the golden Calcite crystals. Displays several ways.
From the Minerva #1 Mine, Hardin County, Illinois.
Measures 4 cm by 5.4 cm by 4.1 cm in total size.
Fair Market Value $985

* Our Suggested Reserve Price Level - $485
Minimum Increment - $25

Highest Bid or Offer Time Date Location
$400.00 8:18 AM 7/23/15 Knoxville, TN
$425.00 5:45 PM 7/27/15 Seattle, WA
       
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Denver2014-297FluoriteCalciteEurekaMineKentucky91mm.jpg (192299 bytes)
Item #A19

Rare specimen of raspberry colored Fluorite crystals in cluster with Calcite!
This is from a small obscure Mine that was worked in the 1940's. The site is now private and only available
for collecting with permission from the owners. The main shaft was filled in decades ago and this specimen
dates back to the original mining activity. It differs from the more recent finds which consist mainly of smaller
cubes of an isolated nature. The specimen is in excellent condition with most of the Calcites doubly terminated.
From the Eureka Mine, Marion, Illinois - Kentucky Fluorspar District, Crittenden Co., Kentucky.
Measures 9.3 cm by 5.6 cm by 3.9 cm in total size.
Ex. Bloch Mineral Collection
Fair Market Value $985

* Our Suggested Reserve Price Level - $500
Minimum Increment - $15

Highest Bid or Offer Time Date Location
$425.00 8:18 AM 7/23/15 Knoxville, TN
$440.00 10:51 AM 7/25/15 San Jose, CA
$485.00 11:14 AM 7/28/15 Lockport, IL
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Denver2014-296FluoriteArdestanCountyIran7cm.jpg (263254 bytes)
Item #A20

New find featuring bluish to bluish-green Fluorite cubes with Barite on matrix from Iran!
This is new material from a country that is not well known in the marketplace for obvious
political reasons. The specimen reminds me somewhat of Bingham specimens with the blue
and bluish-green cubes set among Barite blades. There are also small Galena crystals and
Azurite scattered about. The specimen is in excellent condition with only minor contacts.
The Fluorite cubes display a combination of glassiness and rolling luster, probably due to the
tiny secondary crystal faces atop the larger faces. The Fluorite also has good transparency.
From the Komshejeh Mine, Komshejeh, Ardestan County, Esfahan Province, Iran.
Measures 5.1 cm by 7 cm by 4.2 cm in total size.

Fair Market Value $685

* Our Suggested Reserve Price Level - $350
Minimum Increment - $15

Highest Bid or Offer Time Date Location
$300.00 8:18 AM 7/23/15 Knoxville, TN
$315.00 10:54 AM 7/26/15 Jackson, WY
$335.00 11:14 AM 7/28/15 Lockport, IL
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Denver2014-177MimetiteTsumebNamibia.jpg (290454 bytes)
Item #A21

Bright yellow elongated crystals of Mimetite atop brown matrix!
One of the heaviest coverages of Mimetite I've seen from the Tsumeb Mine, this specimen
has hundreds of fine Mimetite crystals measuring to 1 cm in length. They are tightly clustered
along the top and extend downwards and appear atop the bottom matrix as well. Portions of the
Mimetite covered matrix juts outwards, giving a 3-dimensional appearance to the specimen.
From the Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia.
Measures Measures 6.7 cm by 7 cm by 3.4 cm in total size.
Fair Market Value $985

* Our Suggested Reserve Price Level - $485
Minimum Increment - $25

Highest Bid or Offer Time Date Location
$400.00 8:18 AM 7/23/15 Knoxville, TN
       
       
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Denver2014-295GHFluoriteOrangeRiverWarmbadKarasburgDistrictKarasRegionNamibia55mm.jpg (218984 bytes)
Item #A22

Aesthetic specimen featuring a large green Fluorite octahedron with Quartz crystal framing!
The largest Fluorite measures nearly 4 cm in size and is perfect on all sides with a mix of luster
and druse inspired sparkle. The Quartz crystals along the back side provide a beautiful background
for the Fluorite and are slightly orange from a small inclusion of Hematite. In excellent condition.
From Orange River, Warmbad, Karasburg District, Karas Region, Namibia.
Measures 5 cm by 5.6 cm by 5.2 cm in total size.
Ex. Holloway Mineral Collection
Fair Market Value $985

* Our Suggested Reserve Price Level - $500
Minimum Increment - $15

Highest Bid or Offer Time Date Location
$450.00 9:17 PM 7/27/15 Guangzhou, China
$495.00 11:14 AM 7/28/15 Lockport, IL
       
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Tucson2015-198SulfurCozzodisiMineItaly7cm.jpg (254023 bytes)
Item #A23

Sweet miniature featuring completely original Sulfur crystals on Calcite matrix!
This specimen is as original as you will find in a Sicilian Sulfur specimen. The Calcite
is colored dark by the natural Bitumen present at the mine - A feature most collectors
love to see. The Sulfur crystals are sharp, lustrous, and gemmy translucent with some
hoppering present in the lower crystal near the base. The tip of the crystal is almost hollow.
From the Cozzo Disi Mine, Casteltermini, Agrigento Province (Girgenti Province), Sicily, Italy.
Measures 7 cm by 4.2 cm by 5.2 cm in total size.
Fair Market Value $1500

* Our Suggested Reserve Price Level - $785
Minimum Increment - $25

Highest Bid or Offer Time Date Location
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Denver2014-163RhodochrositepsCalciteQuartzCavnicMaramuresCountyRomania.jpg (278308 bytes)
Item #A24

Unique specimen featuring a Rhodochrosite crystal perched high atop a Quartz lined matrix vug!
This is one of the oddest specimens from the show and also one that is incredibly eye catching. The most noticeable
crystal is the large, upright Rhodochrosite which has pseudomorphed a scalenohedral Calcite. It measures 3.5 cm
in size and sits atop a surface of small Quartz crystals. The Quartz also lined the interior of the matrix vug and
there are two more Rhodochrosite pseudos inside the vug. The vug also opens up on the back side of the matrix.
From the Cavnic Mine, Cavnic, Maramures County, Romania.
Measures 7 cm by 7.2 cm by 6.4 cm in total size.
Ex. Stoppani Mineral Collection
Fair Market Value $1850

* Our Suggested Reserve Price Level - $950
Minimum Increment - $25

Highest Bid or Offer Time Date Location
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Denver2014-446GHScheeliteFluoriteMtXuebaodingChina105mm.jpg (403332 bytes)
Item #A25

Super aesthetic plate featuring Scheelite crystals with Fluorite on Muscovite!
This is great looking specimen. The two Scheelites are well matched, highly lustrous, and gemmy
to translucent. The Fluorite cube is also well matched to the Scheelites, measuring 2.1 cm to the
2.1 cm and 2.3 cm Scheelites crystals. The specimen is in excellent condition and all three crystals
are complete. Just beneath the transparent Fluorite cube is a partial crystal of Fluorite which was
contacted along the trimming edge but this is of little importance to the specimen. Fine Scheelite
with Fluorite combo pieces are almost impossible to find these days and rarely appear at the shows.
From Mt Xuebaoding, Pingwu Co., Mianyang Prefecture, Sichuan Province, China.
Measures 9.4 cm by 7.9 cm by 3.8 cm in total size.
Ex. Holloway Mineral Collection
Fair Market Value $3500

* Our Suggested Reserve Price Level - $1900
Minimum Increment - $35

Highest Bid or Offer Time Date Location
Enter Your Best Offer!      
       
       
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Tucson2014-253RhodochrositeNcwhaningNamibia48mm.jpg (326170 bytes)
Item #A26

Vibrant specimen of gemmy Rhodochrosite on matrix from South Africa!
This is the second of three Rhodochrosites in the auction and this specimen actually
has Rhodochrosite on both the front and back sides! It could literally be displayed
from either side but I prefer the side shown in the photo. The Rhodo crystals are
glassy and completely gem. Under magnification they look like small red jewels
with natural faceting. The specimen is in excellent condition with barely a contact
anywhere. Using a loupe, I only detected ony tiny cleave near the upper right side.
From the Kalahari Manganese Fields, Northern Cape Province, South Africa.
Measures 4.3 cm by 4.5 cm by 3 cm in total size.
Ex. Bahmann Mineral Collection
Fair Market Value $1850

* Our Suggested Reserve Price Level - $875
Minimum Increment - $25

Highest Bid or Offer Time Date Location
Enter Your Best Offer!      
       
       
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Denver2014-448CalcitePrehniteChantillyQuarryVirginia.jpg (165256 bytes)
Item #A27

Rare locality specimen of Prehnite on yellow Calcite crystals!
Scarce combination from a seldom-seen locality in Virginia. This specimen features well
formed crystals of yellow Calcite framed by lustrous green Prehnite. It's quite aesthetic and
well trimmed along both sides, indicating it was probably removed from the center of a seam.
From the Chantilly Quarry, Chantilly, Loudoun County, Virginia.
Measures 6.4 cm by 4.8 cm by 3.3 cm in total size.
Ex. Buck Keller, Dawson Calcite Collections

Fair Market Value $785

* Our Suggested Reserve Price Level - $385
Minimum Increment - $15

Highest Bid or Offer Time Date Location
$325.00 8:18 AM 7/23/15 Knoxville, TN
$340.00 7:45 PM 7/25/15 Michigan
       
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Denver2014-147CalciteManganoanHunanProvinceChina2.jpg (221491 bytes)
Item #A28

Lovely specimen featuring stacked crystals of Manganoan Calcite forming pillars in cluster!
These lovely pink Calcite specimens are of recent discovery and consist of numerous stacked crystals
which rise upwards atop one another, forming a skyline of pillars. There is no matrix as the specimen
is all Manganoan Calcite, from top to bottom.  The surfaces are super glassy and lustrous and there
is no damage to speak of. The color could best be described as a glowing, translucent pastel-pink.
From the Shizhuyuan Mine, Dongpo Ore Field, Yizhang Co., Chenzhou Pref., Hunan Province, China.
Measures 9.5 cm by 14 cm by 8 cm in total size.

Ex. Dawson Calcite Collection
Fair Market Value $1850

* Our Suggested Reserve Price Level - $950
Minimum Increment - $35

Highest Bid or Offer Time Date Location
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Denver2014-133CalciteGallatinCanyonGallatinCountyMontana.jpg (157326 bytes)
Item #A29

Large doubly terminated golden Calcite on Calcite covered matrix!
Gorgeous deep golden Calcite, displaying a perfect termination at both ends in addition to a
wonderful translucense. The surfaces are highly lustrous with no detracting contacts. The large
golden crystal sits atop a small amount of Calcite covered matrix, giving the piece a good solid base.
From Gallatin Canyon, Gallatin County, Montana.
Measures 7 cm by 14.8 cm by 7.3 cm in total size.
Ex. Dawson Calcite Collection
Fair Market Value $2450

* Our Suggested Reserve Price Level - $1250
Minimum Increment - $50

Highest Bid or Offer Time Date Location
$1000.00 3:34 PM 7/24/15 Bern, Switzerland
       
       
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Denver2013-116SilverMohawkiteMohawkMineMichigan.jpg (200645 bytes)
Item #A30

Unique specimen featuring Native Silver inside Mohawkite vugs!
Mohawkite is a rare mixture of Algodonite, Domeykite and Arsenic-rich Copper. It was originally
discovered in the Mohawk-Ahmeek area of Keweenaw County, Michigan, making this the type
locality for the mineral. This specimen displays colorful surfaces which are typically irregular
and naturally polished. Tucked away in small vugs are lustrous sheets of Native Silver, making
this a pretty rare combination specimen. I can't recall seeing another like it at any of the shows.
From the Mohawk Mine, Mohawk, Keweenaw County, Michigan.
Measures 5.7 cm by 3.7 cm by 2.5 cm in total size.
Fair Market Value $1850

* Our Suggested Reserve Price Level - $950
Minimum Increment - $25

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Denver2014-289QuartzpsAnhydriteIraiCityBrazil195mm.jpg (418940 bytes)
Item #A31

Amazing cabinet specimen featuring Quartz ps after Anhydrite crystal blades!
The Quartz has faithfully preserved the crystal habit of the Anhydrite while completely
replacing the original mineral. Large, terminated pseudomorphed blades branch out in all
directions, creating an aesthetic as well as a dramatic display. I only notice one incomplete
blade and it is well hidden down between the large surrounding blades which measure 10 to
11 cm in length on average. Specimens of this calibre are not seen at the shows very often
and there is only one specimen pictured on mindat.org that is of a similar nature. Very nice!
From Iraķ, Alto Uruguai region, Rio Grande do Sul, Brazil.
Measures 13.3 cm by 19.5 cm by 17 cm in total size.
Ex. Laerico Endriga Mineral Collection (2001)
Fair Market Value $4500

* Our Suggested Reserve Price Level - $1950
Minimum Increment - $50

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Tucson2015-327MalachiteRumJungleAustralia19cm.jpg (448351 bytes)
Item #A32

Impressive large cabinet sized specimen featuring Cerussite and Pyromorphite over satiny Malachite!
Botryoidal Malachite with a lustrous sparkle is the first thing you'll notice with this large cabinet sized
specimen until you see the reticulated Cerussite crystals to the lower right and yellowish Pyromorphite
crystals along the upper edge. I haven't seen a larger Rum Jungle Malachite and this one is in great
condition considering its size which a minimal number of contacts and numerous Malachite "fingers"!
From the Rum Jungle, Northern Territory of Australia.
Measures 19.5 cm by 16 cm by 12 cm in total size.

Ex. Matthew Webb Mineral Collection
Fair Market Value $3500

* Our Suggested Reserve Price Level - $1750
Minimum Increment - $50

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Tucson2014-410KCHemimorphiteWenshanAutonomousPrefectureYunnanProvinceChina145mm.jpg (205676 bytes)
Item #A33

Breathtaking plate of deep sky-blue Hemimorphite on matrix!
The surface of this fine specimen is botryoidal with a satiny, almost waxy luster. The color is a rich
blue which is somewhat reminiscent of Kelly Mine Smithsonite. This is a tall, attractive plate. It is
well trimmed and free of any distracting surface contacts. A plate that would make a fine centerpiece.
From the Wenshan Mine, Wenshan Co., Wenshan Autonomous Prefecture, Yunnan Province, China.
Measures 13.5 cm by 11.5 cm by 3.3 cm in total size.

Ex. K. Cooper Mineral Collection
Fair Market Value $2500

* Our Suggested Reserve Price Level - $1250
Minimum Increment - $25

Highest Bid or Offer Time Date Location
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