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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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Zircon
Cambodia
0.69 ct, 4.8 mm
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Chrome Diopside
Russia
0.87 ct, 7.0 mm x 4.7 mm
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Apatite
Durango, Mexico
0.88 ct, 6.5 mm x 5.1 mm
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Aquamarine
Pakistan
4.69 ct, 10.0 mm x 11.4 mm
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Padparadscha Sapphire
Sri Lanka
0.29 ct, 4.33 mm x 3.38 mm
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Charoite
Russia
74.52 ct, 31.73 mm x 23.53 mm
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Alexandrite Cat's Eye
Russia
0.38 ct, 4.67 mm x 3.87 mm
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Carnelian Intaglio
Mozambique
12.56 ct, 25.00 mm
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Emerald with Quartz
Bahia, Brazil
3.17 ct, 11.04 mm x 7.69 mm
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Zircon
Sri Lanka
1.47 ct, 8.15 mm x 4.73 mm
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Dendritic Agate
India
2.14 ct, 16.02 mm x 10.07 mm
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Sodalite
Koksha Valley, Badakhshan Province, Afghanistan
30.32 ct, 29.30 mm x 22.04 mm
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Pink Opal
Peru
2.02 ct, 10.08 mm x 8.09 mm
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Tourmaline
Brazil
0.91 ct, 7.66 mm x 5.32 mm
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Picture Jasper
Sherman County, Oregon
28.41 ct, 30.05 mm x 20.08 mm
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Andorite with Zinkenite
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
4.4 x 3.7 x 2.8 cm
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Pollucite (rare)
Afghanistan
6.42 ct, 14.40 mm x 10.60 mm
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Amethyst with Sphalerite ("sowbelly" polished slab) (ex Brian Kosnar Collection)
Last Chance Mine, Amethyst Vein, Creede District, Mineral County, Colorado
14.2 x 5.0 x 0.6 cm
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Vesuvianite (ex Rich Kosnar Collection)
San Vito, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
7.5 x 5.8 x 5.0 cm
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Sphalerite (ex Brian Kosnar Collection)
Patch Mine, Central City, Gilpin County, Colorado
8.2 x 3.8 x 2.4 cm
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Titanite on Clinochlore
Tormiq, Haramosh Mountains, Gilgit-Skardu Road, Northern Areas, Pakistan
4.7 x 3.8 x 2.2 cm
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Fluorite octahedrons ex Whitmore Coll.
Judith Lynn Claim, Pine Canyon deposit, Grant Co., New Mexico
7.8 x 6.8 x 3.7 cm
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Carrollite
Kamoya South Mine, Kamoya, Kambove, Shaba, Congo
8.2 x 7.5 x 6.7 cm
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Prehnite (ex Brian Kosnar Collection)
Upper New Street Quarry, Paterson, Passaic Count, New Jersey
9.5 x 8.8 x 4.7 cm
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Stibnite
La Salvadora mine, Oruro, Bolivia
6.0 x 2.3 x 1.6 cm
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Red Quartz
Potosi Department, Bolivia
4.8 x 3.7 x 3.3 cm
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Mcgovernite (ex Rich Kosnar Collection)
Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey (Type Locality)
12.8 x 6.2 x 6.2 cm
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Manganoan Adamite (large) ex Consie Prince Coll.
Mina Ojuela, Mapimi, Durango, Mexico
14.5 x 10.9 x 5.1 cm
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Augelite
Machacamarca Mine, near Colavi, Dept. Potosi, Bolivia
12.8 x 11.0 x 5.0 cm
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Copper pseudomorph after Aragonite
Corocoro District, Pacajes Province, La Paz Department, Bolivia
3.8 x 3.3 x 3.2 cm
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