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Augelite
Tasna mine, Rosario section of Cerro Tasna, Nor Chichas Province, Potosi Department, Bolivia
4.2 x 4.1 x 2.3 cm
Vivianite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
4.2 x 1.6 x 0.9 cm
Stannite with Jamesonite (new find)
San Jose mine, Oruro Department, Bolivia
3.7 x 3.35 x 2.4 cm
Vauxite (finest color)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality)
4.5 x 2.0 x 1.2 cm
Wavellite (new find)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
5.2 x 3.6 x 2.8 cm
Wire Silver
Porco mine, Quijarro Province, Potosi Dept., Bolivia
3.1 x 1.7 x 1.0 cm
Vauxite with Paravauxite (new find)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for both species)
5.2 x 3.3 x 1.2 cm
Pyrite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
7.4 x 5.2 x 3.5 cm
Monazite-Ce (New Find)
Cantaco vein, Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
6.0 x 3.8 x 2.7 cm
Wavellite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
6.6 x 2.5 x 2.3 cm
Franckeite (very rare)
San Jose mine, Oruro Department, Bolivia
3.7 x 3.5 x 1.5 cm
Paravauxite w/ Sigloite
Contacto vein, Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for both species)
8.0 x 4.0 x 2.1 cm
Copper pseudomorph after Aragonite
Corocoro District, Pacajes Province, La Paz Department, Bolivia
2.1 x 2.0 x 1.9 cm
Vivianite
Tomokoni adit, near Canutillos, Colavi, Saavedra Province, Potosi Department, 36 km NE of Potosi, Bolivia
9.1 x 5.7 x 3.8 cm
Quartz (Japan-Law Twin)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
12.9 x 8.8 x 7.3 cm
Vauxite with Paravauxite and Metavauxite (new find)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for three species)
18.3 x 11.4 x 3.3 cm
Pectolite
Millington Quarry, Bernards Township, Somerset County, New Jersey
7.5 x 5.8 x 4.2 cm
Datolite (gemmy) (ex Rich Kosnar collection)
Braen''s Quarry (Sam Braen''s Quarry), Haledon, Passaic County, New Jersey
5.7 x 5.2 x 2.2 cm
Stilbite (ex Rich Kosnar Collection)
Upper New Street Quarry, Paterson, Passaic Count, New Jersey
8.7 x 8.2 x 4.7 cm
Prehnite (gemmy) (ex Rich Kosnar Collection)
Prospect Park Quarry, Prospect Park, Passaic County, New Jersey
8.7 x 6.2 x 2.9 cm
Stellerite (excellent quality) (ex Rich Kosnar collection)
Braen''s Quarry (Sam Braen''s Quarry), Haledon, Passaic County, New Jersey
4.4 x 3.2 x 2.3 cm
Goethite and Hematite after Siderite on Smoky Quartz (ex Rich Kosnar Collection)
R. A. Kosnar claim on Yucca Hill, Steven''s Ranch, near Lake George, Park County, Colorado
7.2 x 3.4 x 2.6 cm
Manganoan Calcite (ex. Brian Kosnar Collection)
Black Bear vein, Idarado mine, near Telluride, San Miguel County, Colorado
9.0 x 7.8 x 6.0 cm
Rhodochrosite (ex Rich Kosnar Collection)
Sweet Home mine, near Alma, Park County, Colorado
6.5 x 3.8 x 2.2 cm
Apatite (ex Rich Kosnar Collection)
Sweet Home mine, near Alma, Park County, Colorado
4.6 x 3.9 x 1.3 cm
Fluorite (ex Brian Kosnar Collection)
Ransom Mine, San Juan County, Colorado
3.8 x 3.5 x 2.3 cm
Galena with Sphalerite (ex. Rich Kosnar Collection)
Replacement Ore Body, Camp Bird Mine, Ouray County, Colorado
2.6 x 2.3 x 2.1 cm
Rhodochrosite (ex Rich Kosnar Collection)
Sunnyside mine, near Silverton, San Juan County, Colorado
11.8 x 11.3 x 10.0 cm
Apatite with Arsenopyrite and Sphalerite (ex Brian Kosnar Collection)
Barroca Grande Mine, Panasqueira, Covilha, Castelo Branco District, Portugal
8.6 x 6.3 x 5.5 cm
Olmiite with calcite
Nchwaning II Mine, Kalahari Manganese Field, South Africa
16.3 x 12.8 x 6.1 cm