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Oligoclase (rare)
Tanzania
4.08 ct, 13.4 mm x 9.3 mm
Andorite with Zinkenite (rare and good quality)
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
5.7 x 3.5 x 1.7 cm
Smoky Quartz (scepter)
Royal Scepter Mine, Hallelujah Junction, Petersen Mountain, Washoe County, Nevada
6.1 x 2.3 x 2.1 cm
Thomsonite (rare)
Aurangabad forest, near Nasik, Maharahstra State, India
8.8 x 8.4 x 5.7 cm
Andradite (var: "Demantoid") (new find!)
Antetezambato, Ambanja, Madagascar
6.1 x 4.3 x 3.1 cm
Ruby
Jagdalak (Jagdalek) Ruby Mine, Kunar Province, Afghanistan
4.3 x 4.2 x 3.8 cm
Hemimorphite
Wenshan Mine, Dulong ore field, Wenshan Autonomous Prefecture, Yunnan Province, China
7.2 x 4.1 x 3.8 cm
Cassiterite (gemmy twins)
Viloco mine, Loayza Province, La Paz Department, Bolivia
2.3 x 1.4 x 1.3 cm
Vivianite
Tomokoni adit, near Canutillos, Colavi, Saavedra Province, Potosi Department, 36 km NE of Potosi, Bolivia
3.2 x 1.1 x 1.1 cm
Copper pseudomorph after Aragonite ("floater") (unique material)
Corocoro District, Pacajes Province, La Paz Department, Bolivia
2.7 x 2.5 x 2.2 cm
Vauxite (deep color)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality)
4.4 x 3.1 x 2.7 cm
Paravauxite with Sigloite
Contacto vein, Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for both species)
1.7 x 1.6 x 1.2 cm
Augelite
Machacamarca Mine, near Colavi, Dept. Potosi, Bolivia
5.0 x 4.9 x 1.5 cm
Bournonite
Machacamarca Mine, near Colavi, Potosi Department, Bolivia
2.7 x 2.2 x 1.7 cm
Monazite-Ce (New Find!) (Color Change Crystals!)
Siglo XX mine, Llallagua, Bustillos Province, Potosi Department, Bolivia
5.5 x 5.1 x 1.3 cm
Rhodochrosite (ex Brian Kosnar Collection)
Sunnyside mine, near Silverton, San Juan County, Colorado
1.4 x 1.3 x 0.9 cm
Gold on Quartz
Little Johnnie Mine (Ibex Mine), Leadville, Lake County, Colorado
1.8 x 1.4 x 0.8 cm
Fluorite
Xianghualing Mine (Hsianghualing Mine), Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou Prefecture, Hunan Province, China
6.1 x 4.7 x 3.8 cm
Aquamarine (deep color) (ex Rich Kosnar Collection)
Sawtooth Mountains, Idaho
2.3 x 1.3 x 1.2 cm
Prehnite (fantastic quality) (new find!)
Lower New Street, Paterson, Passaic County, New Jersey
4.5 x 3.3 x 2.1 cm
Stilbite with Heulandite
Upper New Street Quarry, Paterson, Passaic Count, New Jersey
4.6 x 3.7 x 2.1 cm
Nasonite (rare) (ex Pat Gross and Rich Kosnar Collections)
Parker Shaft, Franklin, Sussex County, New Jersey
1.0 x 0.7 x 0.6 cm
Opal
Gracios O Dios Mine, Honduras
1.7 x 1.3 x 0.8 cm
Rhodochrosite
Uchucchacua Mine, Oyon Province, Lima Department, Peru
3.5 x 2.8 x 2.3 cm
Dioptase
Kimbedi, Pool Region, Republic of the Congo
14.1 x 8.8 x 6.5 cm
Malachite pseudomorph after Azurite
Milpillas Mine, Cuitaca, Mun. de Cananea, Sonora, Mexico
2.9 x 1.9 x 1.8 cm
Apophyllite with Stilbite (ex Brian Kosnar Collection)
Jalgaon, Maharashtra, India
6.8 x 4.7 x 4.2 cm
Aquamarine with Muscovite
Chumar Bakhoor, Nagar, Northern Areas, Pakistan
6.2 x 5.4 x 4.2 cm
Neptunite (classic material)
Dallas Gem Mine, San Benito County, California
4.1 x 3.5 x 3.2 cm
Brookite on Quartz
Kharan, Baluchistan, Pakistan
6.7 x 4.8 x 2.0 cm