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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.
Billing Dates
BILLING DATES
Upcoming Billing Dates
(following auction sets)
January 27th (January 19th, 21st and 26th auction sets)
February 15th (All Special Tucson auction sets)
February 24th (February 2nd, 16th, 18th and 23rd auction sets)
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WEEKLY MINERAL & GEM AUCTIONS!
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Tucson 2023 Auction!
Mineral / 52 Items
Ends February 5th 5:00 pm
Tsumeb Specimens from the Pohl Collection!
Mineral / 33 Items
Ends February 7th 1:00 pm
Premier pieces from the Schauss Collection!
Mineral / 14 Items
Ends February 8th 8:00 pm
AGTA Tucson Gemstone Auction 2023
Mineral / 45 Items
Ends February 9th 1:30 pm
Category
Minerals
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Live Auctions
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Ending First
Most Viewed
Current Bid: Low to High
Current Bid: High to Low
Laurentthomasite (gem crystal)
Pegmatite prospect, Beravina, Anosy Region, Touara Prov., Madagascar
Ex. Laurent Thomas, Alex Schauss
1.5 x 1.2 x 0.8 cm
Current Bid:
$1,250
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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Quartz with Papagoite inclusions
Artonvilla Mine, Musina, Vhembe District Mun., Limpopo, South Africa
Ex. Irv Brown, Alex Schauss
3.7 x 1.9 x 0.6 cm
Current Bid:
$4,000
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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Bournonite
Machacamarca Mine, Machacamarca mining dist., Cornelio Saavedra Prov., Potosí, Bolivia
Ex. Brian Kosnar, Alex Schauss
3.3 x 2.2 x 1.5 cm
Current Bid:
$430
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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Ettringite
N’Chwaning II mine, Kuruman, KMF, Northern Cape, South Africa
Ex. Alex Schauss
2.6 x 2.1 x 1.0 cm
Current Bid:
$1,000
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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The "Show Poster Pyrite"
Ground Hog Mine, Battle Mtn., Gilman Mining Dist., Eagle Co., Colorado, USA
Ex. Walter Payne, Benjy Kuehling, Tom McKee, Alex Schauss
2.6 x 2.4 x 2.2 cm
Current Bid:
$5,350
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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Proustite
Bouismas mine, Bou Azzer, Draa-Tafilalet , Morocco
Ex. Alex Schauss
1.7 x 1.5 x 1.0 cm
Current Bid:
$525
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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Phosphophyllite (twinned)
Unificada mine, Cerro de Potosi, Potosi City, Potosi, Bolivia
Ex. Alex Schauss
2.0 x 1.4 x 0.9 cm
Current Bid:
$7,500
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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Wulfenite
Rowley Mine, Theba, Painted Rock Mining Dist., Maricopa Co., Arizona, USA
Ex. Alex Schauss
2.5 x 1.8 x 0.1 cm
Current Bid:
$550
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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Calcite with Cuprite var. Chalcotrichite
Pearl Handle Pit, Ray mine, Scott Mtn., Mineral Creek Dist., Pinal Co., Arizona
Ex. Oscar Bartmas, Wayne Thompson, Paul Harter, Evan Jones, Alex Schauss
2.7 x 1.8 x 1.5 cm
Current Bid:
$864
Time Left:
Close Time:
02/08/2023 8:00:00 pm (CST)
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Red Beryl
Wah Wah Mtns., Utah, USA
7.2 x 4.7 x 2.7 mm, 0.91 ct
Starting Bid:
$999
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Emerald
Colombia
6.3 x 5.3 x 3.11 mm, 0.84 ct
Starting Bid:
$999
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Grandidierite
Fort Dauphin, Tulear Prov., Madagascar
11.9 x 10.5 x 6.4 mm, 4.96 ct
Current Bid:
$70
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Watermelon Tourmaline
Minas Gerais, Brazil
15.8 x 8.4 x 5.7 mm, 6.22 ct
Current Bid:
$110
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Sapphire Cabochons
Sri Lanka
Approx. 4.5 mm each, 19.7 ct
Current Bid:
$77
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Tsavorite
Taita, Kenya
6.3 x 5.5 x 3.9 mm, 1.04 ct
Current Bid:
$135
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Tanzanite
Merelani Hills, Manyara, Tanzania
6.8 x 6.3 x 3.8 mm, 1.28 ct
Current Bid:
$45
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Bicolor Sapphire
Likely Sri Lanka
9.5 x 7.2 x 4.9 mm, 3.65 ct
Current Bid:
$100
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Rhodolite
Taita, Kenya
9.9 x 7.4 x 4.4 mm, 2.31 ct
Current Bid:
$46
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Opal - Natural
Welo, Ethiopia
22.5 x 18.7 x 11.0 mm, 18.53 ct
Current Bid:
$135
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Tsavorite
Taita, Kenya
7.6 x 5.6 x 3.4 mm, 0.97 ct
Current Bid:
$46
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Demantoid Garnet
Antetezambato, Ambanja Dist., Antsiranana Prov., Madagascar
8.0 x 5.0 mm, 2.26 ct
Current Bid:
$95
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Sapphire
Montana, USA
6.0 x 6.0 mm, 1.18 ct
Current Bid:
$64
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Zircon
Cambodia
13.0 x 9.5 x 8.5 mm, 10.64 ct
Current Bid:
$36
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Bicolor Tourmaline
Brazil
13.8 x 6.0 cm, 3.49 ct
Current Bid:
$60
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Peridot
Pakistan
9.46 x 8.24 mm, 3.51 ct
Current Bid:
$41
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Zircon
Cambodia
7.0 x 7.0 mm, 1.72 ct
Current Bid:
$25
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Titanite (Sphene)
Madagascar
11.0 x 9.5 mm, 4.64 ct
Current Bid:
$85
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Ametrine
Anahi Mine, Bolivia
19.0 x 19.0 mm, 17.72 ct
Current Bid:
$45
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Spice Zircon
Tanzania
10.0 x 8.0 mm, 4.53 ct
Current Bid:
$10
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
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Watermelon Tourmaline Slices
Minas Gerais, Brazil
19.0 x 16.0 x 4.5 mm, 34.25 tcw (2 pcs)
Current Bid:
$99
Time Left:
Close Time:
02/09/2023 1:30:00 pm (CST)
View Details & Place Bid
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