Your Source For Fine Mineral Specimens

Filter By

Prehnite
Mali
7.32 ct, 12.07 mm
Fluorite
Argentina
19.21 ct, 18.24 mm
Chrysocolla
Miami, Arizona
6.17 ct, 13.95 mm x 10.08 mm
Fire Opal (with color flash)
Mexico
0.18 ct, 4.98 mm x 3.99 mm
Datolite (gemmy)
Braen's Quarry (Sam Braen's Quarry), Haledon, Passaic County, New Jersey
7.2 x 5.7 x 5.3 cm
Gypsum (var: "Selenite") (gem twins) on Halite
Las Salinas, Otume Village, Pisco, Pisco Province, Ica Department, Peru
11.1 x 9.5 x 6.7 cm
Spessartine Garnet with Smoky Quartz on Microcline
Wushan, Tongbei, Yunxiao, Zhangzhou Prefecture, Fujian, East Region, China
3.1 x 2.6 x 2.6 cm
Carbonate-rich Hydroxylapatite (rare and good quality)
David Mosiah Prospect, Cerro Huanaquino, Potosi Department, Bolivia
1.7 x 0.6 x 0.5 cm
Wire Silver
Porco mine, Quijarro Province, Potosi Dept., Bolivia
2.8 x 1.8 x 1.1 cm
Vivianite (very good specimen)
Tomokoni adit, near Canutillos, Colavi, Saavedra Province, Potosi Department, 36 km NE of Potosi, Bolivia
4.7 x 4.3 x 3.8 cm
Danburite (rare color)
Alto Chapare, Chapare Province, Cochabamba Department, Bolivia
6.1 x 4.3 x 3.0 cm
Cassiterite (good quality)
Viloco mine, Loayza Province, La Paz Department, Bolivia
4.1 x 3.4 x 1.6 cm
Potosiite on Franckeite (rare material)
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
3.7 x 2.7 x 1.4 cm
Paravauxite with Sigloite
Contacto vein, Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for both species)
3.6 x 2.7 x 1.5 cm
Phosphophyllite (classic material)
Unificada mine, Cerro Rico, Potosi City, Potosi Department, Bolivia
4.1 x 3.1 x 1.1 cm
Monazite-Ce (new find) (color change crystals)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
5.7 x 4.8 x 2.7 cm
Fluorite with Rhodochrosite (mined 1977) (ex Rich Kosnar Collection)
Sweet Home mine, near Alma, Park County, Colorado
1.3 x 1.1 x 0.8 cm
Rhodochrosite (ex Brian Kosnar Collection)
Sunnyside mine, near Silverton, San Juan County, Colorado
1.2 x 0.8 x 0.6 cm
Pectolite (rare pink color) (ex Brian Kosnar Collection)
Millington Quarry, Bernards Township, Somerset County, New Jersey
11.8 x 6.1 x 6.0 cm
Copper
Northwestern mine, Keweenaw Co., Michigan
3.6 x 2.7 x 1.5 cm
Prehnite ("cast" after Anhydrite)
Sandare District, Kayes Region, Mali
3.8 x 2.7 x 1.6 cm
Brookite (rich color)
Kharan, Baluchistan, Pakistan
4.8 x 4.5 x 2.7 cm
Amethyst ("reverse" scepters) (ex Rich Kosnar Collection)
Goboboseb Mountain, Brandberg area, Uis District, Erongo Region, Namibia
3.7 x 3.6 x 2.8 cm
Emerald (from the ALPS!) (ex Brian Kosnar Collection)
Pizzo Marcio, Val Vigezzo, Val d'Ossola, Verbano-Cusio-Ossola, Piedmont, Italy
4.2 x 2.9 x 1.9 cm
Apophyllite with Stilbite
Pashan Quarry #2, Pune, Maharashtra, India
7.6 x 6.2 x 4.2 cm
Vesuvianite (cat's eye terminations)
Hashupa, Shigar Valley, Baltistan, Nortern Areas, Pakistan
1.7 x 1.4 x 1.0 cm
Ruby Spinel (ex Rich Kosnar Collection)
Mogok, Sagaing District, Mandalay Division, Burma
1.4 x 1.4 x 1.3 cm
Vanadinite on Barite
Mibladen Mine, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco
5.1 x 4.8 x 3.7 cm
Andradite (var Demantoid)
Ghazni Province, Afghanistan
7.1 x 6.2 x 4.3 cm
Pentagonite
Wagholi, Poona, India
1.7 x 0.7 x 0.6 cm