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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
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Current Bid: Low to High
Current Bid: High to Low
Rhodochrosite with Tetrahedrite, Pyrite and Quartz
Tetrahedrite Stope, Sweet Home Mine, Mount Bross, Alma, Park Co., Colorado, USA
Ex. Vasco Trancoso
3.7 x 3.3 x 2.1 cm
Current Bid:
$1,850
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Goethite stalactite
Dayu Co., Ganzhou, Jiangxi, China
Ex. Kurt Hefendehl
13.1 x 6.2 x 6.1 cm
Current Bid:
$961
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Fluorite on Molybdenite (circa 1950s, rare combination)
Tae Hwa Mine, Neungam-ri, Chungju City, North Chungcheong Prov., South Korea
Ex. Kurt Hefendehl
18.5 x 17.0 x 5.8 cm
Current Bid:
$691
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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large Azurite Rose
Detroit Shaft, Morenci Mine, Morenci, Greenlee Co., Arizona, USA
Ex. Rubin Avila
8.1 x 6.5 x 5.3 cm
Current Bid:
$575
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Dioptase with Cuprian Smithsonite
Malpaso Quarry, Dumesnil, La Calera, Colon Dept., Cordoba Prov., Argentina
Ex. Kurt Hefendehl
19.5 x 7.9 x 6.1 cm
Current Bid:
$775
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Rhodochrosite (botryoidal)
Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil
Ex. Vasco Trancoso
11.0 x 8.0 x 6.2 cm
Current Bid:
$269
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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green Witherite
Minerva No. 1 Mine, Cave-In-Rock Mining Sub-Dist., Hardin Co., Illinois, USA
Ex. Vasco Trancoso, Gary Hansen
6.8 x 5.8 x 5.7 cm
Current Bid:
$900
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Copper
Pewabic Lode Mines, Keweenaw Copper Dist., Michigan, USA
Ex. Chet Lemanski
17.0 x 12.1 x 3.3 cm
Current Bid:
$2,250
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Fluorite with Quartz
Valzergues, Aveyron, Occitaine, France
Ex. Paul Zerfass
8.4 x 8.0 x 6.7 cm
Current Bid:
$775
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Iridescent Pyrite with Calcite
Trepca Stari Trg Mine, Trepca complex, Mitrovica, Kosovo
10.5 x 9.3 x 7.0 cm
Current Bid:
$300
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Beryl var. Heliodor
Wolodarsk-Wolynskii, Zhytomyr Oblast, Ukraine
Ex. Vasco Trancoso
10.8 x 3.3 x 2.8 cm
Current Bid:
$5,400
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Elbaite with Lepidolite on Feldspar
Barra do Salinas, Minas Gerais, Brazil
Ex. Bruno & Rolando Gioia
7.7 x 5.4 x 2.7 cm
Current Bid:
$7,200
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Fluorite with Calcite
Yaogangxian Mine, Yizhang Co., Chenzhou, Hunan, China
Ex. Steve Smale
5.6 x 4.7 x 4.1 cm
Current Bid:
$330
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Vivianite
Tomokoni mine, Canutillos, Cornelio Saavedra Prov., Potosí, Bolivia
Ex. Rock Currier
7.5 x 6.6 x 3.3 cm
Current Bid:
$1,550
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Wulfenite
Jianshan Mine, Shanshan Co., Turpan, Xinjiang, China
10.9 x 9.0 x 5.6 cm
Current Bid:
$1,933
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Woodwardite
Temperino Mine, Campiglia Marittima, Livorno Prov., Tuscany, Italy
17.0 x 16.5 x 7.0 cm
Current Bid:
$694
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Silver (spinel twinned)
New Nevada Mine, Cerro San Antonio, San Miguel, Batopilas, Chihuahua, Mexico
6.1 x 4.8 x 0.6 cm
Current Bid:
$427
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Fluorite
Johannesschacht Mine, Wolsendorf, Schwandorf Dist., Bavaria, Germany
Ex. Kurt Hefendehl
12.0 x 10.9 x 5.8 cm
Current Bid:
$775
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Dioptase and Cerussite on Calcite
Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
10.7 x 6.0 x 5.4 cm
Current Bid:
$691
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Rhodochrosite, Tetrahedrite and Fluorite on Quartz
04-17 Pocket, Watercourse Raise, Sweet Home Mine, Alma, Park Co., Colorado, USA
16.0 x 12.4 x 4.0 cm
Current Bid:
$1,450
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Pyromorphite (circa late 1800s)
Wheatley Mines, Phoenixville, Chester Co., Pennsylvania, USA
Ex. Kurt Hefendehl
9.5 x 7.9 x 6.4 cm
Current Bid:
$901
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Ruby with Rutile
Mogok, Burma
Ex. William "Burma Bill" Larson
2.7 x 1.8 x 1.2 cm
Current Bid:
$1,550
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Spodumene var. Hiddenite
Adams Hiddenite and Emerald Mine, Alexander Co., North Carolina, USA
Ex. Vasco Trancoso
3.3 x 0.7 x 0.4 cm, 9 carats
Current Bid:
$1,020
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Heulandite and Stilbite
Jalgaon Dist., Nashik Div., Maharashtra, India
Ex. Robert Nowakowski
17.5 x 13.6 x 8.0 cm
Current Bid:
$1,940
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Legrandite
Flor de Pena Mine, Lampazos de Naranjo Mun., Nuevo Leon, Mexico
Ex. Wouter van Tichelen
5.3 x 5.0 x 4.3 cm
Current Bid:
$575
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Chrysocolla on Malachite
L'Etoile du Congo Mine, Lubumbashi, Haut-Katanga, DR Congo
9.8 x 7.3 x 5.4 cm
Current Bid:
$525
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Manganoan Adamite (early 1980s find)
Ojuela Mine, Mapimí, Mapimí Mun., Durango, Mexico
Ex. Willard Perkins, Bill & Anne Cook
1.8 x 1.3 x 0.9 cm
Current Bid:
$925
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Copper in Calcite
Quincy Mine, Quincy Township, Houghton Co., Michigan, USA
Ex. George Elling
8.2 x 4.3 x 3.3 cm
Current Bid:
$801
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
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Tourmaline (Cover Piece)
Rubaya, Bahunde, North Kivu, DR Congo
7.8 x 2.8 x 2.2 cm
Current Bid:
$2,150
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
View Details & Place Bid
Zoisite var. Tanzanite
Merelani Hills, Lelatema Mtns., Simanjiro Dist., Manyara Region, Tanzania
Ex. Sean Lincoln
4.4 x 1.6 x 0.7 cm, 27.2 grams
Current Bid:
$858
Time Left:
Close Time:
02/05/2023 5:00:00 pm (CST)
View Details & Place Bid
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