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Copper pseudomorph after Aragonite
Corocoro District, Pacajes Province, La Paz Department, Bolivia
3.2 x 2.6 x 2.0 cm
Paravauxite with Sigloite
Contacto vein, Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for both species)
3.2 x 2.3 x 1.3 cm
Potosiite on Franckeite (rare material)
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
5.3 x 4.8 x 3.1 cm
Gold on Quartz
Little Johnnie Mine (Ibex Mine), Leadville, Lake County, Colorado
1.6 x 1.1 x 0.8 cm
Amethyst (Scepter) (ex Brian Kosnar Collection)
Riley Pocket, Little Giant Basin, San Juan County, Colorado
6.2 x 1.8 x 1.3 cm
Chalcocite and Chrysocolla (ex Bob Batic Collection)
Chimney Rock Quarry, Bound Brook, Bridgewater Township, Somerset County, New Jersey
8.0 x 5.7 x 3.7 cm
Stellerite (good quality) (ex Rich Kosnar collection)
Braen's Quarry (Sam Braen's Quarry), Haledon, Passaic County, New Jersey
8.3 x 6.8 x 5.1 cm
Aquamarine (deep color) (ex Rich Kosnar Collection)
Sawtooth Mountains, Idaho
2.1 x 0.9 x 0.8 cm
Wulfenite (ex Harold Urish Collections)
Rowley Mine, Theba, Painted Rock Mts, Maricopa County, Arizona
4.3 x 4.0 x 3.2 cm
Epidote (ex Brian Kosnar Collection)
Green Monster Mountain, Prince of Wales Island, Alaska
2.2 x 1.7 x 0.9 cm
Calcite on Conichalcite (ex Arnaud Collection)
Ojuela mine, Mapimi, Durango, Mexico
7.8 x 6.6 x 2.3 cm
Cerussite (GEMMY crystal)
Kimbedi, Mindouli District, Pool Department, Republic of Congo (Brazzaville)
2.4 x 1.8 x 1.3 cm
Calcite on Dolomite
Shangbao Pyrite mine, Leiyang Co., Hengyang Prefecture, Hunan Province, China
6.3 x 5.7 x 3.3 cm
Quartz included with Hematite (ex Brian Kosnar Collection)
Aouli, Upper Moulouya lead district, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco
2.1 x 1.6 x 1.4 cm
Gypsum included with Rosasite
Bou Bekker, Touissit, Oujda-Angad Province, Morocco
3.2 x 2.7 x 1.0 cm
Barite and Marcasite (polished)
Lubin Mine, Legnica, Lower Silesia (Dolnoslaskie), Poland
5.2 x 4.2 x 0.7 cm
Barite (classic material) (ex Brian Kosnar Collection)
Moscona Mine, Solus, Corvera de Asturias, Villabona mining area, Asturias, Spain
10.3 x 8.8 x 4.2 cm
Goldmanite (rare garnet species)
Rybnucek, Pezinok Co., Bratislava Region, Slovakia
7.3 x 5.8 x 5.3 cm
Calcite on Calcite
Daye Co., Huangshi Prefecture, Hubei Province, China
10.3 x 7.8 x 5.8 cm
Chromium/Vanadium Uvite (rare)
Mogok, Sagaing District, Mandalay Division, Burma
0.8 x 0.7 x 0.3 cm
Heulandite (gemmy) (ex Arnaud Collection)
Jalgaon, Maharashtra State, India
3.3 x 3.0 x 2.1 cm
Romanechite
Pinal County, Arizona
2.3 x 1.7 x 1.6 cm
Bournonite ("cogwheel")
Machacamarca Mine, near Colavi, Potosi Department, Bolivia
5.4 x 4.1 x 3.8 cm
Siderite on Pyrite with Stannite
Siete Suyos mine, Atocha-Quechisla District, Sud Chichas Province, Potosu Department, Bolivia
4.0 x 3.7 x 2.6 cm
Wire Silver
Porco mine, Quijarro Province, Potosi Dept., Bolivia
2.1 x 1.1 x 0.9 cm
Vauxite with Paravauxite and Childrenite (new find)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for two species)
10.0 x 7.1 x 1.7 cm
Stephanite (new find!)
Porco mine, Quijarro Province, Potosi Dept., Bolivia
2.0 x 1.3 x 1.1 cm
Quartz (ex Brian Kosnar Collection)
Argentine Vein, Idarado Mine, near Telluride, San Miguel County, Colorado
11.1 x 8.4 x 8.1 cm
Stilbite on Calcite
Upper New Street Quarry, Paterson, Passaic Count, New Jersey
8.8 x 7.8 x 5.1 cm
Opal (ex Brian Kosnar Collection)
Gracios O Dios Mine, Honduras
2.3 x 2.2 x 1.5 cm