Your Source For Fine Mineral Specimens

Filter By

Ruby Spinel (gem crystal)
Burma
1.10 ct, 5.3 mm x 4.7 mm x 3.6 mm
Tourmaline
Mt Mica, Maine
0.20 ct, 6.07 mm x 3.06 mm
Zircon
Sri Lanka
2.01 ct, 8.47 mm x 6.73 mm
Epidote included Quartz
Brazil
22.78 ct, 25.18 mm x 13.59 mm
Prehnite Carving, Turtle
Mali
104.00 ct, 36.22 mm x 25.34 mm x 18.78 mm
Tsavorite Garnet
Kenya
0.44 ct, 5.2 mm x 4.3 mm
Orthoclase
Madagascar
3.75 ct, 15.98 mm x 7.96 mm
Silver (ex Brian Kosnar Collection)
Cobalt, Coleman Township, Timiskaming District, Ontario, Canada
3.3 x 2.8 x 1.3 cm
Azurite (ex Rich Kosnar Collection)
Tsumeb mine, Tsumeb, Otjikoto Region, Namibia
5.8 x 4.7 x 3.2 cm
Andorite with Zinkenite (rare and good quality)
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
3.7 x 3.5 x 1.8 cm
Vanadinite with Calcite (excellent - uncommon AZ locale) Urish Coll.
Grey Horse Mine, Dripping Spring Mts, Pinal Co., Arizona
5.8 x 3.7 x 2.1 cm
Vauxite with Paravauxite and Childrenite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for two species)
4.7 x 3.2 x 1.2 cm
Rhodochrosite on Quartz (ex Brian Kosnar Collection)
Sunnyside mine, near Silverton, San Juan County, Colorado
6.8 x 4.7 x 4.6 cm
Fluorite (unique color)
Yiyang, Tongbai, Henan Province, China
10.2 x 5.9 x 2.3 cm
Andradite (new find)
Huanggang Mine, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China
5.8 x 4.9 x 3.6 cm
Goldmanite (rare garnet species)
Rybnucek, Pezinok Co., Bratislava Region, Slovakia
4.4 x 3.9 x 2.7 cm
Valentinite (New Find!)
San Jose Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
3.1 x 2.7 x 1.6 cm
Siderite with Pyrite and Stannite
Siete Suyos mine, Atocha-Quechisla District, Sud Chichas Province, Potosu Department, Bolivia
5.6 x 3.7 x 3.2 cm
Scorzalite (rare)
Estano Orcko mine, Machacamarca District (Colavi District), Saavedra Province, Potosu Department, Bolivia
3.4 x 3.2 x 1.9 cm
Copper pseudomorph after Aragonite
Corocoro District, Pacajes Province, La Paz Department, Bolivia
2.0 x 1.8 x 1.7 cm
Cassiterite (slightly gemmy)
Viloco mine, Loayza Province, La Paz Department, Bolivia
4.1 x 3.1 x 0.8 cm
Amethyst (scepters and reverse scepters)
Bombori, Potosi Department, Bolivia
4.2 x 3.7 x 2.3 cm
Bournonite (unusual crystals)
Viboras Mine, Machacamarca, Colavi, Cornelio Saavedra Province, Potosu Department, Bolivia
4.7 x 4.6 x 3.6 cm
Calcite on Pyrite (ex Rich Kosnar Collection)
Summit Quarry (Houdaille Quarry), Union County, New Jersey
1.7 x 1.3 x 0.8 cm
Stellerite (excellent quality) (ex Rich Kosnar collection)
Braen's Quarry (Sam Braen's Quarry), Haledon, Passaic County, New Jersey
4.2 x 2.6 x 1.9 cm
Anatase
Kharan, Baluchistan, Pakistan
4.5 x 3.0 x 2.7 cm
Microcline (Baveno Twin)
Ravalli County, Montana
2.1 x 1.3 x 1.3 cm
Olmiite
N'Chwaning Mines, Kalahari manganese fields, Northern Cape Province, South Africa
3.2 x 1.9 x 1.1 cm