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Size + Measurements
SIZE DEFINITIONS
Generic Dimension
Maximum Dimension
(Inches)
Maximum Dimension
(Centimeters)
Thumbnail
1 1/4
3
Miniature
2
5.0
Small Cabinet
3 3/4
9.4
Cabinet
> 3 3/4
> 9.4
While Toenail is not an official "competition" size classification, sometimes thumbnail specimens are just a bit too big for competition rules, often referred to as "boxbusters." There is no standard size for toenails, but they overlap a thumbnail and a miniature.
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WEEKLY MINERAL & GEM AUCTIONS!
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Mixed Mineral Auction!
Mineral / 33 Items
Ends April 3rd 6:30 pm
Assorted - Mineral Specimens Auction
Mineral / 45 Items
Ends April 3rd 6:45 pm
Special Auction - Specimens from the Al and Sue Liebetrau Collection
Mineral / 45 Items
Ends April 5th 6:30 pm
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Minerals
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Current Bid: Low to High
Current Bid: High to Low
"Face" Agate with Hyalite Opal
Cubuk Dist., Ankara Prov., Turkey
5.9 x 5.7 x 2.6 cm, 131 grams
Current Bid:
$93
Time Left:
Close Time:
04/03/2025 6:30:00 pm (CDT)
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large Agate with Hyalite Opal!
Rio Grande do Sul, Brazil
Ex. Jack Halpern
29.0 x 15.4 x 0.6 cm, 1.1 pounds
Current Bid:
$87
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Quartz with Pyrite (RARE Swiss locale)
NEAT Access gallery, NEAT Construction site, Amsteg, Reuss Valley, Uri, Switzerland
Ex. Brent Lockhart
9.3 x 6.7 x 5.1 cm
Current Bid:
$575
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Sulfur (classic locale)
Cozzo Disi Mine, Casteltermini, Agrigento Prov., Sicily, Italy
4.9 x 4.9 x 1.2 cm
Current Bid:
$40
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Biotite Mica on Calcite
Biotite occurrence, Swakopmund Con., Erongo Region, Namibia
9.1 x 7.6 x 5.2 cm
Current Bid:
$150
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04/03/2025 6:30:00 pm (CDT)
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Talc (RARE old USA classic)
Miquon, Montgomery Co., Pennsylvania, USA
Ex. David Travis, Fred Parker, George Loud
13.2 x 8.9 x 1.8 cm
Current Bid:
$20
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Color-zoned Fluorite with Hyalite Opal
Yindu Ag-Pb-Zn deposit, Hexigten, Chifeng City, Inner Mongolia, China
9.4 x 7.3 x 3.9 cm
Current Bid:
$105
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Hauyne
Ladjuar Medam, Sar-e-Sang, Kuran wa Munjan Dist., Badakhshan, Afghanistan
9.8 x 8.7 x 6.7 cm
Current Bid:
$80
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Chrysocolla and Malachite
Star of the Congo Mine, Lubumbashi, Haut-Katanga, DR Congo
12.4 x 11.3 x 5.9 cm, 3.4 pounds
Current Bid:
$163
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Malachite stalactites
Shilu Mine, Yangchun Co., Yangjiang, Guangdong, China
Ex. Jack Halpern
15.2 x 13.1 x 6.4 cm, 3.0 pounds
Current Bid:
$454
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Cobalt-bearing Calcite with Malachite
Musonoi Mine, Kolwezi, Lualaba, DR Congo
5.8 x 4.8 x 3.3 cm
Current Bid:
$60
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Microcline Feldspar
Shigar Valley, Shigar Dist., Gilgit-Baltistan, Pakistan
Ex. Herb Obodda
9.8 x 8.9 x 6.9 cm
Current Bid:
$135
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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large Spodumene var. Triphane
Dara-e-Pech pegmatite field, Kunar, Afghanistan
24.0 x 6.5 x 3.6 cm, 2.3 pounds
Current Bid:
$465
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Ammonite var. Ammolite
Pierre Shale formations, South Dakota, USA
Ex. Raul Sanabria
13.8 x 10.8 x 3.4 cm
Current Bid:
$95
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Anglesite ps. reticulated Cerussite (classic locale, early 1900s)
Broken Hill, Yancowinna Co., New South Wales, Australia
Ex. Bob Reynolds
10.7 x 8.8 x 5.6 cm, 1.1 pounds
Current Bid:
$121
Time Left:
Close Time:
04/03/2025 6:30:00 pm (CDT)
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Wulfenite (rare USA locale)
Glove Mine, Santa Cruz Co., Arizona, USA
Ex. Bob Reynolds
9.3 x 8.2 x 2.9 cm
Current Bid:
$726
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Chrysocolla on large Smoky Quartz (2018 find)
Tentadora Mine, Julcani Dist., Angaraes Prov., Huancavelica, Peru
20.0 x 11.7 x 9.4 cm, 5.6 pounds
Current Bid:
$365
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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large Aquamarine with Muscovite (New Find)
Shigar Valley, Shigar Dist., Gilgit-Baltistan, Pakistan
20.5 x 15.6 x 5.6 cm, 4.1 pounds
Current Bid:
$300
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Pectolite (RARE from Maryland)
Delight Quarry, Delight, Baltimore Co., Maryland, USA
Ex. Dick Grier Sr., George Loud
15.6 x 12.6 x 4.0 cm
Current Bid:
$30
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Fluorapatite and Actinolite (polished)
Silver Hill Quarry, Lancaster Co., Pennsylvania, USA
Ex. Joe Dague, George Loud
16.5 x 8.4 x 0.7 cm
Current Bid:
$30
Time Left:
Close Time:
04/03/2025 6:30:00 pm (CDT)
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Quartz with Montmorillonite (historic)
White Queen Mine, Pala, San Diego Co., California, USA
Ex. Bill Larson
12.1 x 10.6 x 8.5 cm, 2.4 pounds
Current Bid:
$76
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Fluorite (self-collected)
William Wise Mine, Westmoreland, Cheshire Co., New Hampshire, USA
Ex. Bob Whitmore
14.1 x 11.7 x 6.9 cm, 4.0 pounds
Current Bid:
$232
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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large gem Quartz (classic locale)
Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Ex. Luiz Menezes, Alvaro Lucio
20.0 x 4.5 x 4.1 cm
Current Bid:
$210
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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large Quartz with Churchite-(Y) and Schorl inclusions (RARE)
Jaguaraçu pegmatite, Jaguaraçu, Minas Gerais, Brazil
Ex. Luiz Menezes, Alvaro Lucio
30.0 x 5.7 x 4.8 cm, 2.7 pounds
Current Bid:
$1,022
Time Left:
Close Time:
04/03/2025 6:30:00 pm (CDT)
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Calcite twin (classic locale)
Elmwood Mine, Carthage, Smith Co., Tennessee, USA
Ex. Keith Williams
10.6 x 4.8 x 3.8 cm
Current Bid:
$150
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Ammonite var. Ammolite (excellent)
Alberta, Canada
Ex. Raul Sanabria
25.0 x 19.0 x 3.7 cm, 4.7 pounds
Current Bid:
$625
Time Left:
Close Time:
04/03/2025 6:30:00 pm (CDT)
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large iridescent straight Ammonite (rare)
Alberta, Canada
Ex. Raul Sanabria
32.0 x 5.7 x 2.5 cm, 1.7 pounds
Current Bid:
$310
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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large Quartz ps. Anhydrite
Rio Grande do Sul, Brazil
26.0 x 20.0 x 10.5 cm, 3.7 pounds
Current Bid:
$160
Time Left:
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04/03/2025 6:30:00 pm (CDT)
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Quartz (uncommon Arkansas locale)
Monte Cristo Mine, Rush, Marion Co., Arkansas, USA
Ex. Dr. James Cole, George Loud
31.5 x 26.5 x 5.8 cm (frame), 3.3 pounds
Current Bid:
$50
Time Left:
Close Time:
04/03/2025 6:30:00 pm (CDT)
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Fluorite (fluorescent) and Sphalerite
North Quarry, Dundas Quarry, Hamilton, Ontario, Canada
Ex. Kurt Hefendehl
10.0 x 7.8 x 3.8 cm
Current Bid:
$125
Time Left:
Close Time:
04/03/2025 6:30:00 pm (CDT)
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