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Polybasite (excellent old classic) Stoudt Coll.
Proano Mine, Fresnillo, Zacatecas, Mexico
2.0 x 1.2 x 1.0 cm
Molybdenite on Quartz (rare classic) Mullane Coll.
Franklin Mine, Sussex Co., New Jersey
3.8 x 3.4 x 3.0 cm
Unkown Tsumeb material (under study)
Tsumeb Mine, Tsumeb, Namibia
1.4 x 1.1 x 1.0 cm (Largest) (2 Pieces)
Cuprian Austinite (Stoudt Coll.)
Mina Ojuela, Mapimi, Durango, Mexico
6.5 x 4.0 x 2.8 cm
Quartz included with Fluorite
Amborompotsy, Fianarantsoa Province, Madagascar
9.1 x 1.7 x 1.3 cm
Galena, Sphalerite, Calcite & Siderite (Schlichter Coll.)
Nikolaevskiy Mine, Dalnegorsk, Russia
11.0 x 6.5 x 4.8 cm
Huge floater Barite rose
Slaughterville, Cleveland Co., Oklahoma
17.5 x 14.8 x 11.0 cm
Chrysocolla in Tenorite (rare AZ locale) Mullane Coll.
Parker, La Paz Co., Arizona
16.2 x 11.7 x 7.8 cm
Large Quartz (Ron Coleman Coll.)
Ron Coleman Mine, Jessieville, Garland Co., Arkansas
19.0 x 6.0 x 4.5 cm
Spodumene (var: Kunzite)
Mawi Pegmatite, Laghman Province, Afghanistan
5.0 x 3.3 x 1.1 cm
Zircon
Cambodia
3.80 ct, 9.34 mm x 7.66 mm
Rose Quartz
Brazil
3.06 ct, 10.45 mm x 9.17 mm
Green Opal (unusual material)
Brazil
11.96 ct, 15.18 mm
Spinel
Burma
5.37 ct, 11.64 mm x 8.02 mm
Chrysocolla
Miami, Arizona
6.77 ct, 14.17 mm x 10.15 mm
Orange Sapphire
Sri Lanka
0.45 ct, 5.12 mm x 4.10 mm
Hickoryite
Rodeo, Durango, Mexico
22.61 ct, 20.05 mm
Fire Opal
Mexico
0.56 ct, 8.19 mm x 3.55 mm
Chrome Diopside
Yakutia, Russia
0.45 ct, 5.95 mm x 4.05 mm
Jade (Pre-embargo!)
Burma
6.18 ct, 14.45 mm x 11.52 mm
Petalite (rare champagne color)
Palelni mine, Burma
0.77 ct, 6.36 mm
Tanzanite
Merelani, Tanzania
0.63 ct, 6.19 mm x 4.13 mm
Sunstone (bicolor)
Plush, Oregon
0.25 ct, 4.21 mm
Emerald
Bahia, Brazil
0.66 ct, 6.64 mm x 4.63 mm
Blue Topaz (natural color)
Brazil
0.86 ct, 7.02 mm x 4.99 mm
White Opal (Crystal Opal)
Australia
0.73 ct, 10.30 mm x 8.48 mm
Tourmaline
Brazil
5.17 ct, 11.95 mm
Malachite
Argentina
23.07 ct, 25.10 mm x 18.16 mm
Grossular
Mali
0.29 ct, 4.08 mm
Spinel (gem crystal)
Burma
0.20 ct, 3.5 x 2.9 x 2.8 mm