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Malachite with Cuprite
Arizona
39.92 ct, 42.00 mm x 20.97 mm
Alexandrite
Brazil
0.06 ct, 2.41 mm
Quartz (after Fluorite and Anhydrite) (ex Brian Kosnar Collection)
Genoa Claim, near Silverton, San Juan County, Colorado
6.3 x 4.7 x 3.3 cm
Tourmaline (doubly-terminated) (thick green cap)
Himalaya Mine, Mesa Grande District, San Diego County, California
5.8 x 1.6 x 1.4 cm
Tinzenite with Quartz (ex Brian Kosnar Collection)
Molinello Mine, Val Graveglia, Ne, Genova Province, Liguria, Italy
3.2 x 2.5 x 2.3 cm
Almandine on schist (ex Brian Kosnar Collection)
Green's Farm locality (Roxbury Garnet Mine; Garnet Hill), Roxbury, Litchfield Co., Connecticut, USA
5.7 x 3.7 x 2.3 cm
Monazite-Ce (color change crystals)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
6.1 x 5.7 x 3.2 cm
Bournonite
Machacamarca Mine, near Colavi, Dept. Potosi, Bolivia
3.4 x 3.3 x 0.8 cm
Fluorite and Quartz
Yaogangxian Mine, Hunan Province, China
8.1 x 4.7 x 3.8 cm
Anglesite
Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco
3.8 x 3.3 x 3.3 cm
Vauxite (great color)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality)
4.3 x 4.1 x 1.2 cm
Cassiterite with Quartz (ex Brian Kosnar Collection)
Viloco mine, Loayza Province, La Paz Department, Bolivia
5.7 x 4.4 x 3.3 cm
Wire Silver
Porco mine, Quijarro Province, Potosi Dept., Bolivia
2.2 x 1.2 x 0.7 cm
Stephanite (new find!)
Porco mine, Quijarro Province, Potosi Dept., Bolivia
1.7 x 1.7 x 1.1 cm
Vivianite (classic material)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
2.1 x 0.9 x 0.6 cm
Boracite
Alto Chapare, Chapare Province, Cochabamba Department, Bolivia
9.3 x 4.4 x 2.7 cm
Magnetite (good quality)
Cerro Huanaquino, Potosi Department, Bolivia
9.2 x 5.3 x 3.3 cm
Gold (mined 1976 by Rich Kosnar)
#4 Stope, 270 Level, Dixie Mine, Ute Creek, Idaho Springs Mining District, Clear Creek County, Colorado
2.5 x 1.3 x 1.3 cm
Sphalerite (ex Brian Kosnar collection)
500' stope, 2100' level, Camp Bird mine, Ouray County, Colorado
5.5 x 5.2 x 3.1 cm
Prehnite (ex Brian Kosnar Collection)
UBC Quarry, West Paterson, Passaic County, New Jersey
5.6 x 5.1 x 3.3 cm
Wulfenite with Mimetite (rare association)
Red Cloud mine, Trigo Mountains, La Paz County, Arizona
1.6 x 1.5 x 1.1 cm
Aquamarine with Quartz and Schorl
Erongo Region, Namibia
3.4 x 2.0 x 1.8 cm
Smithsonite (attractive crystals)
Tsumeb mine, Tsumeb, Otjikoto Region, Namibia
5.2 x 3.6 x 2.8 cm
Zircon
Seiland Island, Alta, Finnmark, Norway
1.3 x 1.1 x 1.0 cm
Phenakite (gem quality)
Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)
1.5 x 0.4 x 0.3 cm
Vanadinite (ex Rich Kosnar Collection)
Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco
2.3 x 2.1 x 1.1 cm
RED Wulfenite
Maoniuping REE deposit, Mianning Co., Liangshan Autonomous Prefecture, Sichuan Province, China
5.2 x 4.7 x 3.1 cm
Chrysoberyl (ex Brian Kosnar Collection)
Masvingo (Fort Victoria), Masvingo District, Zimbabwe
4.5 x 3.8 x 3.2 cm
Dolomite (var: Teruelite) (ex Brian Kosnar Collection)
Domeno, Chelva, Valencia, Valencian Community, Spain
5.4 x 2.9 x 1.1 cm
Rubellite Tourmaline (very good quality)
Malkhan Pegmatite Field, Krasnyi Chikoy, Chitinskaya Oblast', Transbaikalia, Russia
2.7 x 2.3 x 1.8 cm