Your Source For Fine Mineral Specimens

Filter By

Quartz Point with "Chlorite Phantom"
Gouveia, Minas Gerais, Brazil
8.98 ct, 25.86 mm x 6.90 mm x 5.95 mm
Dendritic Quartz
Brazil
14.82 ct, 25.29 mm x 15.66 mm
Sapphire
Tunduru, Tanzania
0.26 ct, 4.21 mm x 3.26 mm
Rutile included Quartz (Cat's Eye)
Brazil
5.32 ct, 11.11 mm
Fluorite
Argentina
20.58 ct, 19.87 mm x 14.85 mm
"Paraiba" Chalcedony
Brazil
0.70 ct, 6.04 mm
Malachite
Argentina
33.48 ct, 25.21 mm x 18.29 mm
Mustard Jasper
Indonesia
5.23 ct, 14.12 mm x 9.99 mm
Labradorite w/ blue sheen
Canada
2.07 ct, 7.14 mm x 6.75 mm
Hauyne (rare)
Eifel Mts, Germany
0.03 ct, 2.06 mm
Tourmaline (cat's eye)
Brazil
7.25 ct, 12.91 mm x 10.53 mm
Star Sapphire (Bi-Color)
Sri Lanka
6.72 ct, 11.50 mm x 9.37 mm
Diamond Crystal
South Africa
0.76 ct, 5.42 mm x 4.69 mm x 3.95 mm
Rhodochrosite (large stone)
Argentina
121.50 ct!, 39.87 mm
Ruby (Pre-embargo!)
Burma
1.13 ct, 6.98 mm x 5.18 mm
Aquamarine and Morganite (rare bicolor crystal)
Baha, Baltistan, Braldu Valley, Northern Areas, Pakistan
2.0 x 1.9 x 1.6 cm
Ferberite (good matrix specimen)
Tasna mine, Rosario section of Cerro Tasna, Nor Chichas Province, Potosi Department, Bolivia
10.5 x 8.1 x 3.6 cm
Prehnite (cast after Anhydrite)
Lower New Street, Paterson, Passaic County, New Jersey
8.3 x 5.2 x 4.8 cm
Rhodochrosite (ex Rich Kosnar and Pat Gross Collections)
Franklin Mine, Franklin Mining District, Sussex County, New Jersey
0.8 x 0.5 x 0.4 cm
Vauxite (superb color)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality)
7.8 x 4.9 x 1.7 cm
Franckeite with "Potosiite" (aesthetic specimen)
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
7.6 x 5.7 x 3.7 cm
Monazite-Ce (new find!) (good-sized crystals!)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
2.5 x 2.3 x 1.8 cm
Vivianite
Tomokoni adit, near Canutillos, Colavi, Saavedra Province, Potosi Department, 36 km NE of Potosi, Bolivia
2.6 x 1.9 x 1.7 cm
Bournonite ("cogwheel") on matrix
Machacamarca Mine, near Colavi, Potosi Department, Bolivia
3.4 x 2.4 x 2.2 cm
Pyromorphite (rare from Bolivia)
Huari-Hauri, Saavedra Province, Potosi Department, Bolivia
2.9 x 2.4 x 1.5 cm
Copper pseudomorph after Aragonite
Corocoro District, Pacajes Province, La Paz Department, Bolivia
2.8 x 2.4 x 1.8 cm
Amethyst (reverse scepters)
Bombori District, Potosi Department, Bolivia
3.5 x 2.4 x 2.1 cm
Sphalerite (gemmy) (ex Brian Kosnar Collection)
OH vein, Commodore mine, Creede, Mineral County, Colorado
4.5 x 4.2 x 2.7 cm
Barite (GEM quality) (ex Rich Kosnar Collection)
Stoneham, Weld County, Colorado
2.1 x 1.2 x 0.5 cm
Barite (ex Rich Kosnar Collection)
Eagle mine, Gilman, Eagle County, Colorado
2.7 x 1.6 x 1.0 cm