Your Source For Fine Mineral Specimens

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Fluorite (ex Brian Kosnar Collection)
Fluorite deposit, Jilove u Decina (Ober Eulau), Decin, Usti Region, Bohemia, Czech Republic
6.8 x 5.0 x 4.3 cm
Ferberite with Quartz (ex Brian Kosnar Collection)
Tae Wha mine, Chungchonpukdo, South Korea
4.8 x 4.3 x 3.1 cm
Dioptase (ex Arnaud Collection)
Tsumeb mine, Tsumeb, Otjikoto Region, Namibia
5.7 x 3.6 x 3.1 cm
Xenotime
Novo Horizonte, Bahia, Northeast Region, Brazil
2.2 x 0.6 x 0.6 cm
Opal (highly colorful)
Tsehay Mewcha, Wegeltena, Delanta, Wello (Wollo), Afar Province, Ethiopia
1.8 x 1.3 x 0.8 cm
Aquamarine with Albite and Muscovite
Huya Village, Mt Xuebaoding, Pingwu Co., Sichuan Province, China
11.0 x 5.5 x 5.3 cm
Calcite (Manganese-bearing)
Chenzhou Prefecture, Hunan Province, China
10.3 x 6.7 x 3.2 cm
Spessartine with Muscovite on Albite
Shengus (Shingus), Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan
13.2 x 10.3 x 7.8 cm
Chabazite ("Phacolite" Twins) (ex Arnaud and Zinn Collections)
Corporation quarries, Clifton Hill, Collingwood, Yarra City Shire, Victoria, Australia
5.2 x 3.6 x 3.5 cm
Oligoclase (rare) (custom faceted by Allyce Kosnar)
Tanzania
2.39 ct, 7.92 mm
Fire Opal (with "Contra Luz" color flash)
Mexico
1.51 ct, 8.28 mm x 7.45 mm
Tanzanite
Merelani, Tanzania
0.28 ct, 6.90 mm x 3.52 mm
Bytownite (Feldspar)
Mexico
4.31 ct, 12.22 mm x 8.76 mm
Ring, Mother of Pearl in Sterling Silver
N/A
10 mm x 7.5 mm (stone), Ring Size = 5
Rhodochrosite (large stone)
Argentina
115.50 ct!, 39.55 mm
Pollucite (rare)
Afghanistan
2.37 ct, 10.52 mm x 7.20 mm
Vivianite
Tomokoni adit, near Canutillos, Colavi, Saavedra Province, Potosi Department, 36 km NE of Potosi, Bolivia
6.0 x 3.3 x 2.1 cm
Ludlamite
Huanuni mine, Dalence Province, Oruro Department, Bolivia
1.2 x 0.9 x 0.5 cm
Maucherite (Type Locality) & Chalcopyrite
Eisleben, Mansfeld Basin, Saxony-Anhalt, Germany
4.4 x 3.4 x 3.3 cm
Tourmaline (multicolor)
Stak Nala, Skardu Road, Haramosh Mts., Gilgit, Northern Areas, Pakistan
2.3 x 1.3 x 1.1 cm
Pyrite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
10.0 x 9.3 x 6.1 cm
Scheelite (GEM quality)
Darai Paich, Afghanistan
6.8 x 4.3 x 3.2 cm
Topaz
Dassu, Shigar Valley, Baltistan, Northern Areas, Pakistan
4.3 x 3.9 x 1.7 cm
Pyromorphite (rare from Bolivia)
Huari-Hauri, Saavedra Province, Potosi Department, Bolivia
6.7 x 6.3 x 6.2 cm
Barite
Estano Orcko mine, Colavi District, Potosi Department, Bolivia
6.1 x 3.6 x 2.3 cm
Copper pseudomorph after Aragonite
Corocoro District, Pacajes Province, La Paz Department, Bolivia
3.7 x 3.6 x 2.9 cm
Amethyst (scepters and reverse scepters)
Bombori, Potosi Department, Bolivia
4.5 x 2.7 x 2.3 cm
Magnetite
Cerro Huanaquino, Potosi Department, Bolivia
4.7 x 3.7 x 2.0 cm
Siderite with Augelite on matrix
Tasna mine, Rosario section of Cerro Tasna, Nor Chichas Province, Potosi Department, Bolivia
7.3 x 4.4 x 3.6 cm
Bournonite
Machacamarca Mine, near Colavi, Dept. Potosi, Bolivia
2.8 x 2.3 x 1.6 cm