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Fluorite
Argentina
20.17 ct, 20.02 mm x 15.13 mm
Sunstone
Plush, Oregon
1.01 ct, 7.81 mm x 5.97 mm
Tsavorite Garnet
Kenya
0.13 ct, 3.08 mm
Hickoryite
Rodeo, Durango, Mexico
24.06 ct, 20.24 mm
Rutile included Quartz
Brazil
18.19 ct, 20.11 mm x 15.06 mm
Andesine (very rare)
Tibet
0.73 ct, 7.08 mm x 5.08 mm
Chrome Diopside (superb color)
Russia
0.87 ct, 7.00 mm x 4.97 mm
Danburite
Madgascar
0.54 ct, 6.48 mm x 4.46 mm
Aquamarine
Huya Village, Mt Xuebaoding, Pingwu Co. Sichuan Province, China
4.7 x 3.8 x 3.2 cm
Aquamarine (ex Rich Kosnar Collection)
Sawtooth Mountains, Idaho
2.7 x 1.0 x 0.8 cm
Paravauxite
Contacto vein, Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality)
3.6 x 2.5 x 0.4 cm
Phosphophyllite (rare)
Huayllani mine, Infiernillos mine, Huayllani, Machacamarca District, Saavedra Province, Potosi Department, Bolivia
5.0 x 4.1 x 3.8 cm
Pyrite
Tasna Mine, Cerro Tasna, Atocha-Quechisla District, Nor Chichas Province, Potosu Department, Bolivia
1.9 x 1.8 x 1.7 cm
Pyromorphite (rare from Bolivia)
Huari-Hauri, Saavedra Province, Potosi Department, Bolivia
6.8 x 4.7 x 3.7 cm
Cassiterite (rare prismatic habit for Bolivia)
Huanuni mine, Dalence Province, Oruro Department, Bolivia
2.7 x 2.4 x 1.8 cm
Vauxite with Paravauxite and Childrenite (rare TWO-sided specimen)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality for two species)
8.0 x 5.8 x 1.5 cm
Nikischerite (very rare)
Huanuni mine, Dalence Province, Oruro Department, Bolivia (Type Locality)
0.6 x 0.6 x 0.5 cm
Pyrite and Hematite ("Specularite")
Sud Lupez Province, Potosu Department, Bolivia
5.5 x 4.8 x 4.2 cm
Ludlamite
Huanuni mine, Dalence Province, Oruro Department, Bolivia
4.2 x 2.8 x 1.6 cm
Sulfur (ex Allen Heyl Collection)
Racalmuto Mine, Racalmuto, Agrigento Province, Sicily, Italy
7.8 x 5.1 x 3.0 cm
Variscite (ex Allen Heyl Collection)
Dug Hill, Avant, Garland County, Arkansas
3.8 x 3.1 x 2.7 cm
Romanechite
Pinal County, Arizona
3.6 x 2.6 x 2.1 cm
Quartz (classic material) (730 grams)
Mt Ida, Montgomery Co., Arkansas, USA
15.7 x 9.2 x 5.7 cm
Tsumebite (ex Brian Kosnar Collection)
Blue Bell claims, San Bernardino County, California
3.3 x 2.9 x 2.6 cm
Grossular (ex Brian Kosnar Collection)
Bishop, Tungsten Hills, Tungsten Hills District (Bishop District), Inyo County, California
9.8 x 7.8 x 7.2 cm
Pyrite
Quiruvilca Mine (La Libertad Mine; ASARCO Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
6.7 x 6.4 x 5.3 cm
Sphalerite (rare yellow color) (ex Brian Kosnar Collection)
Lockport, Niagara County, New York
12.1 x 7.8 x 5.3 cm
Chalcedony (classic material) (ex Brian Kosnar Collection)
Slanec Quarry, Slanske Mts, Kosice Region, Slovakia
5.3 x 4.2 x 0.8 cm
Epidote with Diopside
Antronapiana, Antrona Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
4.7 x 3.0 x 2.3 cm
Chalcophyllite with Azurite (classic material)
Piesky, Spania Dolina (Herrengrund), Banska Bystrica Co., Banska Bystrica Region, Slovakia
5.8 x 3.7 x 2.6 cm