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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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Upcoming Billing Dates
(following auction sets)
January 13th/14th (December 28th, January 4th and January 9th auction sets) *Billing will now be on Monday/Tuesday due to inclement weather*
January 24th/27th (January 11th, January 16th, January 18th and 23rd auction sets)
February 7th (January 30th, February 2nd and 6th auction sets)
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WEEKLY MINERAL & GEM AUCTIONS!
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Special Mindat Benefit Auction!
Mineral / 25 Items
Ends January 23rd 6:30 pm
Special Auction - $249 Reserve Specimens
Mineral / 39 Items
Ends January 23rd 6:45 pm
Assorted Gemstones Auction!
Gem / 32 Items
Ends January 23rd 7:00 pm
Category
Minerals
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Current Bid: Low to High
Current Bid: High to Low
Vauxite with Franckeite (very rare association specimen!)
Siglo XX Mine, Llallagua, Bustillo Province, Potosi, Bolivia (Type Locality for Vauxite)
Ex. Brian Kosnar
16.3 x 15.2 x 5.6 cm
Starting Bid:
$249
Time Left:
Close Time:
01/23/2025 6:45:00 pm (CST)
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Fluorite (color-zoned) (classic material)
Le Burg Mine, Alban - Le Fraysse area, Tarn, Occitanie, France
6.2 x 5.4 x 3.8 cm
Current Bid:
$249
Time Left:
Close Time:
01/23/2025 6:45:00 pm (CST)
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Brookite (good-sized crystal)
Kharan District, Balochistan, Pakistan
3.5 x 2.3 x 0.2 cm
Starting Bid:
$249
Time Left:
Close Time:
01/23/2025 6:45:00 pm (CST)
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Emerald Carving
Bubani Mine, Ajmer District, Rajasthan, India
3.1 x 2.9 x 1.7 cm, 36.4 grams
Starting Bid:
$249
Time Left:
Close Time:
01/23/2025 6:45:00 pm (CST)
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Sphalerite (large unique stone) (cut by Brett Kosnar)
Aliva Mine (Las Manforas Mine), Camaleño, Cantabria, Spain
35.7 x 30.0 x 12.6 mm, 167.50 ct !
Current Bid:
$430
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Azurite with Malachite and Chrysocolla (classic locality)
Bisbee, Cochise Co., Arizona, USA
65.21 mm x 46.78 mm x 8.42 mm, 246.0 ct
Current Bid:
$99
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Sapphire (crystal)
Eldorado Bar Deposit, East Helena, Lewis and Clark Co., Montana, USA
7.95 mm x 7.68 mm x 2.38 mm, 1.78 ct
Current Bid:
$70
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Tourmaline (bi-color)
Minas Gerais, Brazil
18.40 mm x 8.07 mm, 8.90 ct
Current Bid:
$210
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Opal-AN (Hyalite Opal) ("Blood Vessel / Vascular Opal")
Étienne Mine, San Luis Potosí, Mexico
14.19 mm x 9.59 mm, 5.69 ct
Current Bid:
$50
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Blue Topaz (irradiated)
Minas Gerais, Brazil
9.70 mm x 8.74 mm, 2.50 ct
Current Bid:
$30
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Grossular Garnet (3-stone set)
Diakon Commune, Bafoulabé Cercle, Kayes Region, Mali
3.15 mm (approx), 0.44 ct (total weight)
Current Bid:
$10
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Opal Carving, Spider
Australia
15.8 mm x 13.4 mm x 7.8 mm, 7.22 ct
Current Bid:
$110
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Emerald (rich color)
Muzo, Colombia
6.13 mm, 1.01 ct
Current Bid:
$20
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Tourmaline
Minas Gerais, Brazil
8.64 mm x 5.35 mm, 1.95 ct
Current Bid:
$40
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Watermelon Tourmaline (polished slice)
Madagascar
24.19 mm x 30.06 mm, 46.40 ct
Current Bid:
$265
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Rubellite Tourmaline Carving, Flower
Minas Gerais, Brazil
25.31 mm x 20.03 mm x 6.85 mm, 14.70 ct
Current Bid:
$249
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Canary Tourmaline (RARE color!)
Tanzania
Ex. Kathryn Dakis
10.35 mm x 8.38 mm, 2.70 ct
Current Bid:
$500
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
View Details & Place Bid
Bastnäsite (rare)
Zagi Mountain, Khyber Pakhtunkhwa Province, Pakistan
4.66 mm x 3.57 mm, 0.50 ct
Starting Bid:
$100
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Axinite (rare)
Khaplu, Ghanche District, Gilgit-Baltistan, Pakistan
6.26 mm x 5.56 mm, 0.86 ct
Current Bid:
$100
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Scapolite (rare colorless gem)
Afghanistan
9.85 mm x 6.37 mm, 1.35 ct
Starting Bid:
$100
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Ametrine (natural bi-color Quartz)
Anahi Mine, Santa Cruz, Bolivia
Ex. Kathryn Dakis
16.10 mm x 12.03 mm, 11.12 ct
Current Bid:
$110
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Aragonite / Strontianite ("Perumar")
Peru
31.82 mm x 21.03 mm, 43.87 ct
Starting Bid:
$50
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Titanite (Sphene)
Mulla Ghori, Khyber District, Khyber Pakhtunkhwa Province, Pakistan
6.22 mm x 6.14 mm, 0.92 ct
Starting Bid:
$50
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Blue Topaz (irradiated)
Minas Gerais, Brazil
10.13 mm x 8.00 mm, 3.66 ct
Current Bid:
$75
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Natrolite (''Pink Larimar'') (recent find)
Nusa Kambangan, Central Java, Indonesia
28.30 mm x 13.80 mm, 13.15 ct
Current Bid:
$50
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Apache Chrysocolla
Mexico
Ex. Kathryn Dakis
43.39 mm x 24.42 mm, 37.41 ct
Current Bid:
$110
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
View Details & Place Bid
Sapphire
Gem Mountain Sapphire Mine, Rock Creek, Philipsburg, Granite Co., Montana, USA
3.96 mm, 0.38 ct
Current Bid:
$25
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Peridot (rare locality gem)
San Carlos Indian Reservation, Gila Co., Arizona, USA
9.86 mm x 5.32 mm, 1.76 ct
Current Bid:
$35
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
View Details & Place Bid
Pyrope Garnet
Tanzania
Ex. Geary Murdock
6.06 mm, 1.20 ct
Current Bid:
$35
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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Sapphire (5-stone set)
Sri Lanka
Ex. Marvin Rockey
2.35 mm (approx each), 0.28 ct (total weight)
Current Bid:
$25
Time Left:
Close Time:
01/23/2025 7:00:00 pm (CST)
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