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Phosphosiderite (great color) (analyzed and confirmed)
Sapucaia, Brazil
6.85 ct, 13.57 mm
Zircon
Sri Lanka
0.44 ct, 4.46 mm
Sunstone
Plush, Oregon
1.04 ct, 6.70 mm
Pink Opal
Peru
1.90 ct, 9.85 mm
Tiger's Eye
North Cape Province, South Africa
15.53 ct, 18.01 mm
Tourmaline
Nigeria
2.70 ct, 7.73 mm x 6.79 mm
Sugilite (rare)
South Africa
8.50 ct, 19.69 mm x 15.13 mm
Jade (Pre-embargo!)
Burma
22.82 ct, 25.03 mm x 18.60 mm
Calcite (Mn-bearing) (ex Brian Kosnar Collection)
Idarado mine, near Telluride, San Miguel County, Colorado
3.7 x 2.6 x 2.3 cm
Ruby Spinel (GEM quality) (ex Rich Kosnar Collection)
Mogok, Sagaing District, Mandalay Division, Burma
0.6 x 0.6 x 0.25 cm
Tourmaline
Virgem da Lapa, Jequitinhonha valley, Minas Gerais, Brazil
5.8 x 1.3 x 0.9 cm
Bournonite
Machacamarca Mine, near Colavi, Dept. Potosi, Bolivia
4.0 x 2.7 x 2.5 cm
Ludlamite
Huanuni mine, Dalence Province, Oruro Department, Bolivia
2.0 x 1.3 x 0.6 cm
Wavellite on Quartz
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
8.1 x 8.0 x 6.1 cm
Boracite (different color crystals together on the same specimen)
Alto Chapare, Chapare Province, Cochabamba Department, Bolivia
4.4 x 3.5 x 1.6 cm
Potosiite (large crystals!) with Franckeite, Boulangerite and Cervantite
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
1.3 x 1. 1x 0.5 cm
Vauxite (good color)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality)
2.7 x 2.4 x 0.6 cm
Hubnerite (hard to find material)
Himalaya Mine, Mt Illimani, Murillo Province, La Paz Department, Bolivia
6.3 x 4.3 x 2.7 cm
Vivianite (GEM quality)
Huanuni mine, Dalence Province, Oruro Department, Bolivia
2.2 x 0.7 x 0.4 cm
Andorite
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
3.2 x 2.6 x 0.6 cm
Gold on Quartz
Little Johnnie Mine (Ibex Mine), Leadville, Lake County, Colorado
0.8 x 0.6 x 0.4 cm
Amethyst (Scepter) (ex Brian Kosnar Collection)
1st Scepter Amethyst Pocket, North Star Vein, Little Giant Basin, San Juan County, Colorado
3.0 x 0.7 x 0.5 cm
Kutnahorite (rare material) (ex Allen Heyl Collection)
near Cabezon Peak, Rio Puerco Area, Sandoval County, New Mexico
9.2 x 8.2 x 4.8 cm
Willemite (ex Pat Gross and Rich Kosnar Collections)
Franklin, Sussex County, New Jersey
0.3 x 0.2 x 0.2 cm
Prehnite ("finger" casts after Anhydrite) (ex Brian Kosnar Collection)
McBride Ave. & Browertown Rd. Pumping Station, West Paterson, Passaic County, New Jersey
5.5 x 4.2 x 3.8 cm
Titanite with Chabazite-Na (ex Rich Kosnar Collection)
Beura Quarries, Beura-Cardezza, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
4.8 x 2.8 x 2.7 cm
Chabazite
Wasson's Bluff, Cumberland County, Nova Scotia, Canada
3.6 x 2.5 x 1.5 cm
Augite (var: Fassaite) (ex Rich Kosnar Collection)
Monzoni Mts, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy
2.6 x 1.3 x 0.9 cm
Molybdenite (ex Allen Heyl Collection)
Moly Hill mine, La Motte, Abitibi RCM, Abitibi-Temiscamingue, Quebec, Canada
2.2 x 1.7 x 0.5 cm
Opal (ex Brian Kosnar Collection)
Gracios O Dios Mine, Honduras
1.6 x 1.1 x 0.7 cm