Your Source For Fine Mineral Specimens

Filter By

Vivianite
Tomokoni adit, near Canutillos, Colavi, Saavedra Province, Potosi Department, 36 km NE of Potosi, Bolivia
3.7 x 2.2 x 2.2 cm
Cronstedtite (very rare) (ex Brian Kosnar Collection)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
1.3 x 0.9 x 0.4 cm
Amethyst (reverse scepters)
Bombori District, Potosi Department, Bolivia
7.2 x 5.1 x 3.7 cm
Ferberite (multi-twinned group)
Tasna mine, Rosario section of Cerro Tasna, Nor Chichas Province, Potosi Department, Bolivia
6.0 x 3.6 x 2.9 cm
Silver
Porco mine, Quijarro Province, Potosi Dept., Bolivia
3.3 x 2.5 x 1.2 cm
Bournonite ("cogwheel")
Machacamarca Mine, near Colavi, Potosi Department, Bolivia
1.8 x 1.6 x 1.1 cm
Augelite (twin!) (new find)
Estano Orcko mine, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
2.3 x 2.2 x 1.4 cm
Barite (ex Rich Kosnar Collection)
Sherman mine, Leadville, Lake County, Colorado
1.1 x 0.9 x 0.9 cm
Amazonite with Smoky Quartz and "Onegite" (ex Brian Kosnar Collection)
R. A. Kosnar's Claim on Yucca Hill, Steven's Ranch area, near Lake George, Park County, Colorado
3.5 x 2.3 x 2.2 cm
Prehnite (classic "snake head" cast) (ex Brian Kosnar and Dick Hauck Collection)
Upper New Street Quarry, Paterson, Passaic Count, New Jersey
4.2 x 2.7 x 1.3 cm
Azurite and Malachite (ex Rich Kosnar and Pat Gross Collections)
Franklin, Sussex County, New Jersey
1.0 x 0.7 x 0.3 cm
Quartz (Japan-Law Twin)
Black Pine Mine, Flint Creek Valley, John Long Mts, Granite County, Montana
2.3 x 0.9 x 0.5 cm
Smithsonite
Albunuelas, Granada, Andalusia, Spain
8.1 x 6.3 x 4.0 cm
Epidote with Diopside
Antronapiana, Antrona Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
4.2 x 2.3 x 1.8 cm
Anatase (ex Brian Kosnar Collection)
Lercheltini area, Binntal, Wallis (Valais), Switzerland
1.6 x 1.2 x 1.1 cm
Blue Quartz
Antequera, Malaga, Andalusia, Spain
10.1 x 4.8 x 2.5 cm
Augelite
Rapid Creek, Dawson Mining District, Yukon Territory, Canada
3.3 x 1.8 x 1.3 cm
Adamite (var: "Cuprian") (ex Rich Kosnar Collection)
Verkhnii Mine (Verchniy Mine) Dal'negorsk, Primorskiy Kray, Far-Eastern Region, Russia
5.2 x 4.0 x 3.3 cm
Spessartine Garnet with Pyrite on Microcline
Wushan, Tongbei, Yunxiao, Zhangzhou Prefecture, Fujian, East Region, China
8.3 x 5.2 x 2.7 cm
Dioptase
Kimbedi, Pool Region, Republic of the Congo
5.5 x 3.6 x 2.6 cm
Pyrite Concretion
Dongchuan District, Kunming Prefecture, Yunnan Province, China
6.2 x 5.5 x 4.3 cm
Morganite (ex Brian Kosnar Collection)
Darra-i-Pech, Nangarhar Province, Afghanistan
4.3 x 2.7 x 2.5 cm
Fluorite (interesting color combination)
Frohnau, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany
7.3 x 5.7 x 4.3 cm
Spinel
Luc Yen, Yenbai Province, Vietnam
1.5 x 1.4 x 1.3 cm
Quartz with Clinochlore inclusions (ex Brian Kosnar Collection)
Hashupa, Shigar Valley, Skardu District, Baltistan, Northern Areas, Pakistan
8.3 x 5.8 x 5.3 cm
Blue Dendritic Opal
Peru
6.00 ct, 21.85 mm x 11.65 mm
Quartz with GILALITE inclusions (i.e. "Paraiba Quartz")
Ceara, Brazil
10.24 ct, 17.29 mm x 12.81 mm
Tanzanite
Merelani, Tanzania
0.42 ct, 5.10 mm x 4.15 mm
Sapphire
Sweetwater Creek, Montana
0.45 ct, 4.81 mm
Jade (rare purple color)
Turkey
5.04 ct, 15.05 mm x 10.02 mm