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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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May 10th/13th (May 2nd and 9th 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
Peach Sapphire
Sri Lanka
0.39 ct, 4.87 mm x 3.90 mm
View Details on Closed Item
Amethyst Carving, Skull
Brazil
176.50 ct!, 37.5 mm x 30.0 mm x 21.6 mm
View Details on Closed Item
Rhodochrosite
Argentina
69.21 ct!, 30.02 mm
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Star Sapphire
Sri Lanka
1.32 ct, 6.19 mm x 4.91 mm
View Details on Closed Item
Ametrine
Anahi, Bolivia
3.46 ct, 13.71 mm x 7.20 mm
View Details on Closed Item
Painite (Gem Crystal) (ultra rare)
Ohngaing, Mogok, Burma
0.10 ct, 4.45 mm x 1.27 mm x 1.33 mm
View Details on Closed Item
Black Moonstone (unusual color)
India
8.17 ct, 12.10 mm
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White Opal (Crystal Opal)
Australia
0.98 ct, 11.42 mm x 9.15 mm
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Ocean Jasper
northeast Madagascar
7.91 ct, 17.77 mm x 12.94 mm
View Details on Closed Item
Rutile included Quartz Point
Brazil
51.51 ct, 27.0 mm x 19.9 mm x 12.7 mm
View Details on Closed Item
Tanzanite
Merelani, Tanzania
0.35 ct, 4.92 mm x 4.08 mm
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Chrome Diopside
Yakutia, Russia
0.47 ct, 6.11 mm x 4.07 mm
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Aquamarine
Brazil
0.47 ct, 6.06 mm x 4.28 mm
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"Mookaite"
Western Australia
12.34 ct, 15.06 mm
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Carnelian (excellent color and quality)
Mozambique
3.96 ct, 9.93 mm
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Tourmaline (cat's eye)
Brazil
4.36 ct, 9.54 mm
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Spinel
Burma
0.33 ct, 4.32 mm
View Details on Closed Item
Grossular
Mali
0.39 ct, 4.44 mm
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Sunstone
India
2.35 ct, 8.0 mm x 6.0 mm
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Fluorite
Argentina
18.71 ct, 18.20 mm x 13.13 mm
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Ruby
Mozambique
1.21 ct, 6.95 mm x 5.22 mm
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Emerald (cut by Brett Kosnar)
Bahia, Brazil
0.74 ct, 7.40 mm x 4.01 mm
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Sapphire (Great color)
Vietnam
0.33 ct, 4.51 mm x 3.56 mm
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Spessartine Garnet on Microcline
Wushan, Tongbei, Yunxiao, Zhangzhou Prefecture, Fujian, East Region, China
5.2 x 5.0 x 3.7 cm
View Details on Closed Item
Spessartine
Shengus, Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan
1.4 x 1.3 x 1.2 cm
View Details on Closed Item
Rhodochrosite (ex Rich Kosnar Collection)
Sunnyside mine, near Silverton, San Juan County, Colorado
1.5 x 0.9 x 0.7 cm
View Details on Closed Item
Vanadinite on Psilomelane (ex Rich and Brian Kosnar Collection)
Taouz mine, Vein 12, Taouz, Rilfilat Province, Morocco
4.3 x 2.7 x 1.7 cm
View Details on Closed Item
Copper pseudomorph after Aragonite with Malachite, Cuprite and Connellite
Corocoro District, Pacajes Province, La Paz Department, Bolivia
2.3 x 2.2 x 1.4 cm
View Details on Closed Item
Paravauxite on Vauxite (new find)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for both species)
2.2 x 1.7 x 1.1 cm
View Details on Closed Item
Aquamarine (ex Rich Kosnar Collection)
Sawtooth Mountains, Idaho
1.7 x 1.2 x 0.8 cm
View Details on Closed Item
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