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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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April 4th/7th (March 27th, 29th and April 3rd auction sets)
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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
Tourmaline (cut by Brett Kosnar)
Mt Mica, Maine
0.50 ct, 5.55 mm
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Sunstone
Plush, Oregon
2.73 ct, 13.10 mm x 7.05 mm
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Zircon
Cambodia
0.97 ct, 6.19 mm x 4.20 mm
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Labradorite w/ blue sheen
Canada
9.26 ct, 14.19 mm x 13.34 mm
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Rhodolite
Mozambique
0.81 ct, 5.10 mm
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Emerald with Quartz
Bahia, Brazil
3.08 ct, 11.00 mm x 7.51 mm
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Grossular
Mali
0.59 ct, 5.00 mm
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Aquamarine
Pakistan
0.39 ct, 6.04 mm x 3.97 mm
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Lapis Lazuli
Afghanistan
3.26 ct, 10.84 mm x 8.86 mm
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Spinel
Burma
0.55 ct, 6.08 mm x 3.93 mm
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Ruby Crystal (Pre-embargo!)
Burma
1.50 ct, 7.30 mm x 5.21 mm x 4.87 mm
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Zebra Stone
East Kimberly, Western Australia
12.96 ct, 18.10 mm x 16.12 mm
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Dendritic Agate
India
2.96 ct, 16.95 mm x 12.35 mm
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Tourmaline
Brazil
1.82 ct, 8.19 mm x 6.09 mm
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Aquamarine
Brazil
6.22 ct, 12.2 mm x 10.2 mm
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Labradorite
Mexico
12.57 ct, 18.7 mm x 12.0 mm
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Peridot
Arizona
2.31 ct, 9.1 mm x 6.7 mm
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Vesuvianite
Hashupa, Shigar Valley, Baltistan, Nortern Areas, Pakistan
3.1 x 1.9 x 1.8 cm
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Sulfur on Aragonite (pink fluorescence) ex Robert Fender Coll.
Cozzodisi Mine, Agrigento Prov., Sicily, Italy
9.2 x 8.1 x 5.2 cm
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Tyuyamunite
Ridenour Mine, Prospect Canyon Dist., Coconino Co., Arizona
13.5 x 7.7 x 6.1 cm
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Quartz with Calcite and Sphalerite (ex Rich Kosnar Collection)
Pachapaqui District, Bolognesi Province, Ancash Department, Peru
8.3 x 6.8 x 5.2 cm
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Gold on Pink Granite (rare)
St. Johns, Newfoundland, Canada
1.7 x 1.6 x 1.1 cm
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Aquamarine and Schorl on Albite (Brent Lockhart Coll.)
Nyet, Braldu Valley, Skardu Dist., Baltistan, Pakistan
9.1 x 9.0 x 7.2 cm
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Calcite on Willemite (Wes Parker Coll.)
Tsumeb Mine, Tsumeb, Namibia
4.9 x 3.5 x 3.2 cm
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Malachite ps. After Azurite (Asselborn Coll.)
Tsumeb Mine, Tsumeb, Namibia
10.5 x 7.4 x 4.6 cm
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Vivianite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
4.8 x 3.9 x 2.9 cm
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Babingtonite and Prehnite on Quartz
Hongquizhen Quarry, Meigu Co., Sichuan Province, China
8.7 x 4.5 x 3.8 cm
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Floater Herkimer Quartz "diamonds"
Middleville, Herkimer Co., New York
2.5 x 2.1 x 1.6 cm
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Fluorite (with "phantoms") (ex Rich Kosnar Collection)
R. A. Kosnar #2 Prospect near Lake George, Park County, Colorado
3.4 x 2.6 x 2.2 cm
View Details on Closed Item
Barite on Malachite
Shangulowe Mine, Kambove, Katanga, Democratic Republic of Congo
7.1 x 3.6 x 3.3 cm
View Details on Closed Item
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