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Spinel (gem crystal)
Burma
0.84 ct, 5.35 mm x 4.06 mm x 3.57 mm
Chrysocolla
Miami, Arizona
8.08 ct, 14.12 mm x 10.17 mm
Hickoryite
Rodeo, Durango, Mexico
23.10 ct, 20.13 mm
Tiger's Eye
North Cape Province, South Africa
15.81 ct, 18.05 mm
Peridot
Arizona
0.57 ct, 5.01 mm
Aquamarine
Brazil
0.45 ct, 6.18 mm x 4.16 mm
Malachite
Argentina
10.46 ct, 15.99 mm x 12.10 mm
Prehnite
Mali
4.94 ct, 11.31 mm x 9.09 mm
Tsavorite Garnet
Kenya
0.09 ct, 2.70 mm
Sunstone
Plush, Oregon
0.94 ct, 6.47 mm
Quartz with GILALITE inclusions (i.e. "Paraiba Quartz")
Ceara, Brazil
7.44 ct, 14.77 mm x 11.71 mm
Fire Opal with color flash
Mexico
0.47 ct, 8.61 mm x 3.32 mm
Orange Sapphire
Sri Lanka
0.20 ct, 3.74 mm
Chrome Diopside
Yakutia, Russia
0.58 ct, 6.06 mm x 4.14 mm
Spinel
Burma
0.40 ct, 5.10 mm x 3.38 mm
Amethyst
Brazil
0.60 ct, 5.20 mm
Fluorite
Argentina
17.69 ct, 15.15 mm
Rhodolite
Montana
1.36 ct, 7.07 mm x 5.29 mm
Fire Opal
Mexico
4.90 ct, 13.83 mm x 10.37 mm
Star Garnet (4-ray Star)
Idaho
6.46 ct, 9.32 mm
Rhodolite
Tanzania
2.77 ct, 8.75 mm x 7.75 mm
Zircon
Sri Lanka
1.82 ct, 7.0 mm
Epidote ex Stoudt coll.
Michoacan, Mexico
5.6 x 5.4 x 4.7 cm
Azurite with Cerussite, Smithsonite, Bayldonite and Tsumcorite(?)
Tsumeb mine, Tsumeb, Otjikoto Region, Namibia
1.7 x 1.1 x 0.6 cm
Spessartine on Albite
Shengus, Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan
9.3 x 6.6 x 3.2 cm
Red Quartz
Potosi Department, Bolivia
6.8 x 6.2 x 3.7 cm
Ferberite (unusual crystals)
Tasna mine, Rosario section of Cerro Tasna, Nor Chichas Province, Potosi Department, Bolivia
8.6 x 7.8 x 3.7 cm
Wavellite (green)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
7.1 x 5.0 x 3.1 cm
Franckeite
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
3.7 x 3.3 x 2.8 cm
Vauxite (finest color)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality)
5.4 x 2.2 x 0.7 cm