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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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Collection information is a new field started in 2023 and may not return results for items auctioned prior to January 2023. Please use the main search feature if this field isn't returning expected results.
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Newest to Oldest
Oldest to Newest
Conichalcite with Calcite (Wes Parker Coll.)
Mina Ojuela, Mapimi, Durango, Mexico
6.4 x 6.0 x 4.5 cm
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Azurite and Malachite (Jack Halpern Coll.)
Liufengshan Mine, Chizhou Prefecture, Anhui Province, China
6.0 x 6.0 x 4.0 cm
View Details on Closed Item
Chalcedony stalactite
Java, Indonesia
8.9 x 2.4 x 2.4 cm
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Zircon on Sodalite var. Hackmanite (Zukowski Coll.)
Davis Quarry, Hastings Co., Ontario, Canada
9.2 x 6.0 x 5.0 cm
View Details on Closed Item
Fuchsite included in Quartz (Unique)
Merelani Hills, Arusha Region, Tanzania
7.4 x 4.1 x 2.4 cm
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Magnesite with Uvite (Zukowski Coll.)
Serra das Eguas, Brumado, Bahia, Brazil
4.5 x 4.2 x 2.8 cm
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Fluorite - glassy crystals (Zukowski Coll.)
Chashan Mine, Xianghualing, Chenzhou Prefect., Hunan Prov., China
18.4 x 15.8 x 6.4 cm
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Apophyllite on Stilbite (Zukowski Coll.)
Jalgaon, Maharasthra, India
16.2 x 14.8 x 9.5 cm
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DT skeletal Quartz w/ clay inclusions ex Stoudt Coll.
San Luis Potosi, Mexico
6.4 x 5.7 x 4.6 cm
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Psilomelane (rare locale) ex. Mullane Collection circa 1950s
Bisbee, Cochise County, Arizona
10.1 x 7.3 x 5.1 cm
View Details on Closed Item
Rubyjack Sphalerite and Calcite (Zukowski Coll.)
Cumberland Mine, Smith Co., Tennessee
13.5 x 10.5 x 10.0 cm
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Goethite ps. After Siderite, Aquamarine & Schorl
Erongo Mts., Erongo Region, Namibia
5.9 x 4.4 x 3.8 cm
View Details on Closed Item
Red gem Tourmaline (NEW find!)
Cruzeiro Mine, Minas Gerais, Brazil
5.0 x 1.4 x 1.2 cm
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Manganoan Vesuvianite (Zukowski Coll.)
Jeffrey Mine, Asbestos, Quebec, Canada
2.8 x 1.8 x 1.2 cm
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large Bastnasite crystal cluster
Zagi Mountain, Mulla Ghori, FATA, Pakistan
4.7 x 2.6 x 2.1 cm
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Chrome Diopside
Inagli, Russia
0.60 ct, 6.06 mm x 4.15 mm
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Star Sapphire
Sri Lanka
1.64 ct, 6.77 mm x 5.50 mm
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Phosphosiderite (great color) (analyzed and confirmed)
Sapucaia, Brazil
14.67 ct, 18.00 mm x 13.09 mm
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White Opal (Crystal Opal)
Australia
0.73 ct, 11.52 mm x 6.77 mm
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Hematite included Quartz
Brazil
14.42 ct, 24.78 mm x 14.09 mm
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Pendant, Rhodolite in Sterling Silver
Tanzania
0.30 ct (stone), 3.93 mm (stone); 21.02 mm (pendant)
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Hessonite
Brazil
0.52 ct, 4.99 mm
View Details on Closed Item
Ocean Jasper
northeast Madagascar
11.44 ct, 19.94 mm x 14.97 mm
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Tanzanite
Merelani, Tanzania
0.73 ct, 6.40 mm x 4.56 mm
View Details on Closed Item
Jade (Pre-embargo!)
Burma
5.59 ct, 14.26 mm x 11.13 mm
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Amethyst
Brazil
0.82 ct, 6.10 mm
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"Mookaite"
Western Australia
12.31 ct, 15.17 mm
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Spinel
Burma
0.37 ct, 5.02 mm x 4.08 mm
View Details on Closed Item
Sunstone (multicolor)
Plush, Oregon
1.12 ct, 8.13 mm x 5.47 mm
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Peridot
Arizona
0.45 ct, 6.00 mm x 4.25 mm
View Details on Closed Item
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