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Sunstone (custom faceted by Allyce Kosnar)
Plush, Oregon
1.41 ct, 7.10 mm x 7.02 mm
Rhodolite
Tanzania
1.95 ct, 7.17 mm
Orange Sapphire
Granite County, Montana
0.79 ct, 5.94 mm x 4.64 mm
Ruby Spinel
Burma
0.78 ct, 6.15 mm x 5.11 mm
Chrome Diopside (superb color)
Inagli, Yakutia, Siberia, Russia
1.05 ct, 8.03 mm x 5.17 mm
Spinel
Sri Lanka
1.22 ct, 7.37 mm x 5.56 mm
Opal (highly colorful)
Tsehay Mewcha, Wegeltena, Delanta, Wello (Wollo), Afar Province, Ethiopia
1.7 x 1.6 x 0.9 cm
Goldmanite (rare garnet species)
Rybnucek, Pezinok Co., Bratislava Region, Slovakia
4.8 x 3.7 x 3.1 cm
Phosphophyllite (very rare)
Huayllani mine, Infiernillos mine, Huayllani, Machacamarca District, Saavedra Province, Potosi Department, Bolivia
4.1 x 2.1 x 1.4 cm
Hematite
Bouse, Plomosa District, Plomosa Mts, La Paz County, Arizona
3.8 x 3.7 x 2.3 cm
Chalcostilbite on Siderite
Saint-Pons, Provence-Alpes-Cote d'Azur, France
6.0 x 3.8 x 3.7 cm
Pyrite (interesting habit)
Canutillos Mine, (Colavi District), Cornelio Saavedra Province, Potosu Department, Bolivia
4.3 x 3.7 x 2.1 cm
Amethyst (reverse scepters) with Calcite* (*Calcite is rare from Bolivia)
Bombori, Potosi Department, Bolivia
7.8 x 4.8 x 3.7 cm
Copper
Corocoro District, Pacajes Province, La Paz Department, Bolivia
6.2 x 4.7 x 0.7 cm
Stibnite
La Salvadora mine, Oruro, Bolivia
4.7 x 2.3 x 1.3 cm
Wavellite with Quartz
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
5.3 x 5.2 x 2.3 cm
Bournonite (2009 find)
Machacamarca Mine, near Colavi, Potosi Department, Bolivia
2.7 x 2.7 x 1.2 cm
Vivianite (classic material)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
7.8 x 7.3 x 5.8 cm
Siderite
Estano Orcko mine, Colavi District, Potosi Department, Bolivia
3.8 x 2.3 x 2.1 cm
Rhodochrosite (ex Brian Kosnar Collection)
Sunnyside mine, near Silverton, San Juan County, Colorado
2.9 x 2.7 x 1.2 cm
Calcite
Vein outcrop along the road south of Lower Highland Mary Mine, Cunningham Gulch, San Juan County, Colorado
4.0 x 4.0 x 2.5 cm
Azurite (ex Brian Kosnar and Harold Urish Collections)
Morenci Mine, Clifton-Morenci District, Shannon Mts, Greenlee County, Arizona
4.8 x 2.7 x 2.2 cm
Chrysocolla with Wulfenite (ex Harold Urish Collection)
79 Mine, Hayden area, Banner District, Dripping Spring Mts, Gila County, Arizona
4.4 x 3.1 x 2.4 cm
Stilbite with Calcite and Prehnite (ex Brian Kosnar Collection)
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey
6.3 x 4.7 x 3.3 cm
Datolite casts after Anhydrite (ex Rich Kosnar collection)
Braen's Quarry (Sam Braen's Quarry), Haledon, Passaic County, New Jersey
5.3 x 3.7 x 2.3 cm
Limonite pseudomorph after Petrified Wood
Washington County, Utah
4.8 x 4.3 x 1.6 cm
Epidote (ex Brian Kosnar Collection)
Green Monster Mountain, Prince of Wales Island, Alaska
3.7 x 3.5 x 1.7 cm
Quartz (classic material) (1,635 grams)
Mt Ida, Montgomery Co., Arkansas, USA
19.7 x 11.6 x 10.3 cm
Cobaltoan Calcite (ex Rich Kosnar Collection)
Bou Azzer, Tazenakht, Ouarzazate Province, Souss-Massa-Draa Region, Morocco
2.5 x 2.0 x 1.7 cm
Hemimorphite (rare blue color)
Kimbedi, Mindouli District, Pool Department, Republic of Congo (Brazzaville)
5.7 x 5.4 x 4.3 cm