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Pyrite on Manganoan Calcite (fluorescent!)
Chenzhong, Hunan Province, China
13.5 x 5.4 x 5.4 cm
Pentagonite
Wagholi, Poona, India
7.1 x 5.7 x 3.8 cm
Chrysocolla
Miami, Arizona
4.97 ct, 13.96 mm x 10.06 mm
Quartz with GILALITE inclusions (i.e. "Paraiba Quartz")
Ceara, Brazil
4.93 ct, 18.43 mm x 7.71 mm
Tourmaline
Mt Mica, Maine
0.45 ct, 5.56 mm
Tanzanite
Merelani, Tanzania
0.34 ct, 6.14 mm x 4.17 mm
Ruby Spinel
Burma
0.77 ct, 6.41 mm x 4.63 mm
Sapphire
Sri Lanka
0.27 ct, 3.96 mm
Apatite
Madagascar
0.52 ct, 6.15 mm x 4.08 mm
Ruby Crystal
Luc Yen, Vietnam
2.74 ct, 9.2 mm x 6.9 mm x 4.0 mm
Black Moonstone (unusual color)
India
8.08 ct, 12.12 mm
Hickoryite
Rodeo, Durango, Mexico
24.00 ct, 20.06 mm
Seraphinite (Clinochlore)
Korshunovskoye, Siberia, Russia
10.63 ct, 16.10 mm x 12.05 mm
Tiger's Eye
North Cape Province, South Africa
17.15 ct, 18.04 mm
Opal
Australia
0.61 ct, 8.08 mm x 6.33 mm
Fluorite
Argentina
16.70 ct, 15.06 mm
Sunstone
Plush, Oregon
1.63 ct, 10.11 mm x 6.94 mm
Spinel
Burma
2.43 ct, 8.97 mm x 6.97 mm
Gaspeite
Australia
15.41 ct
Smithsonite
Iran
0.74 ct, 6.0 mm x 4.0 mm
Natrolite
Bound Brook Quarry, Chimney Rock, New Jersey
2.26 ct, 12.81 mm x 5.84 mm
Sphalerite with Freibergite (rare material)
Viboras Mine, Machacamarca, Colavi District, Saavedra Province, Potosu Department, Bolivia
5.0 x 4.2 x 3.7 cm
Epidote (gemmy)
Tormiq, above Baghicha, Northern Areas, Pakistan
3.5 x 2.8 x 1.7 cm
Augelite
Machacamarca Mine, near Colavi, Dept. Potosi, Bolivia
4.4 x 4.1 x 2.3 cm
Quartz (rare for locale)
Magmont Mine, Bixby, Viburnum Trend, Iron Co., Missouri
12.3 x 10.4 x 4.5 cm
Opal (ex Brian Kosnar Collection)
Gracios O Dios Mine, Honduras
5.0 x 2.7 x 2.2 cm
Quartz included with Hematite (ex Brian Kosnar collection)
Braen's Quarry (Sam Braen's Quarry), Haledon, Passaic County, New Jersey
4.2 x 3.4 x 1.7 cm
Ferberite with Quartz
Tasna mine, Rosario section of Cerro Tasna, Nor Chichas Province, Potosi Department, Bolivia
4.3 x 4.2 x 3.8 cm
Boracite
Alto Chapare, Chapare Province, Cochabamba Department, Bolivia
3.6 x 3.1 x 1.8 cm
Barite (good quality)
Estano Orcko mine, Colavi District, Potosi Department, Bolivia
3.6 x 2.7 x 1.7 cm