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Adamite (fluorescent) Consie Prince Coll.
Mina Ojuela, Mapimi, Durango, Mexico
4.5 x 2.9 x 2.7 cm
Acanthite octahedrons
Imiter Mine, Ouarzazate Province, Morocco
4.3 x 2.3 x 1.9 cm
large bi-colored Apophyllite & Stilbite (excellent)
Jalgaon District, Maharashtra, India
20.0 x 18.0 x 9.0 cm
Azurite & Malachite cabochon (15 grams)
Morenci Mine, Greenlee Co., Arizona
3.9 x 2.7 x 1.2 cm
Beryl on Quartz w/ Tourmaline (rare combo) Fioravanti Coll.
Forcioni, Elba Island, Tuscany, Italy
3.8 x 3.6 x 2.4 cm
Fluorite octahedrons (classic locale) Fioravanti Coll.
Mont Blanc Massif, Chamonix, Rhone-Alpes, France
5.1 x 3.3 x 3.2 cm
Bi-colored Fluorite on rubyjack Sphalerite
Elmwood Mine, Carthage, Smith Co., Tennessee
2.7 x 2.6 x 2.1 cm
Fluorite (fluorescent)
Piaotang Mine, Ganzhou Prefect., Jiangxi Prov., China
12.7 x 8.4 x 5.8 cm
Sapphire (bicolor and color shift)
Kashmir, India
1.28 ct, 7.44 mm
Opal (Custom Faceted by Robert Heath)
Dubnik, Presov Region, Slovakia
2.27 ct, 10.02 mm x 7.12 mm
Ametrine (natural bicolor Quartz)
Anahi, Bolivia
1.61 ct, 10.56 mm x 6.57 mm
Carnelian (good color and quality)
Arizona
8.13 ct, 17.33 mm x 9.11 mm
Spotted Moss Agate
Yellowstone River, Custer County, Montana
19.34 ct, 23.35 mm
Tourmaline
Nigeria
1.47 ct, 7.66 mm x 6.59 mm
Topaz (natural blue color)
Brazil
3.15 ct, 9.11 mm
Siderite
Estano Orcko mine, Colavi District, Potosi Department, Bolivia
3.8 x 3.6 x 2.3 cm
Pink Apatite (classic material)
Siglo XX mine, Llallagua, Bustillos Province, Potosi Department, Bolivia
4.0 x 3.8 x 2.3 cm
Epidote (magnetic!)
Raskoh Mts., Kharan, Balochistan (Baluchistan), Pakistan
4.7 x 3.8 x 2.2 cm
Scorzalite (good quality for the locality) (rare)
Estano Orcko mine, Machacamarca District (Colavi District), Saavedra Province, Potosi Department, Bolivia
12.2 x 8.3 x 4.3 cm
Copper pseudomorph after Aragonite on Copper (rare matrix piece)
Corocoro District, Pacajes Province, La Paz Department, Bolivia
9.0 x 7.4 x 1.6 cm
Bournonite
Machacamarca Mine, near Colavi, Potosi Department, Bolivia
2.7 x 2.2 x 0.8 cm
Paravauxite with Sigloite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for two species)
3.1 x 2.4 x 2.3 cm
Tetrahedrite (mined 1977)
Sweet Home mine, near Alma, Park County, Colorado
4.1 x 3.1 x 2.6 cm
Rhodochrosite on Quartz (ex Brian Kosnar Collection)
Zanett tunnel, Grizzly Bear Mine, Ouray, Ouray County, Colorado
4.2 x 3.4 x 3.3 cm
Rosasite with Calcite (ex Harold Urish and Brian Kosnar Collections)
Omega Mine, Monument Mountain, Helvetia, Santa Rita Mts, Pima County, Arizona
4.1 x 3.6 x 1.8 cm
Antlerite (ex Arnaud Collection)
Sunshine #4 Mine, Blanchard Mine, Bingham, Hansonburg, Socorro County, New Mexico
5.8 x 4.7 x 2.4 cm
Datolite (very lustrous!) (ex Rich Kosnar Collection)
Braen's Quarry (Sam Braen's Quarry), Haledon, Passaic County, New Jersey
6.4 x 4.6 x 3.1 cm
Stilbite (ex Brian Kosnar Collection)
Prospect Park Quarry, Prospect Park, Passaic County, New Jersey
4.2 x 3.8 x 3.5 cm
Erythrite (rare locality piece) (ex Harold Urish Collection)
Lovelock Mine, near Bolivia, Cottonwood Canyon, Churchill County, Nevada
5.0 x 4.3 x 3.7 cm
Pyrite "Sun" (ex Allen Heyl Collection)
Coal Mines, Sparta, Randolph County, Illinois
5.4 x 5.2 x 0.5 cm