Brian Kosnar - Mineral Classics

Augelite / Locality - Tasna Mine, Rosario section of Cerro Tasna, Atocha-Quechisla District, Potosi Department, Bolivia $150.00 Augelite (gemmy twin) / Locality - Machacamarca Mine, Colavi, Saavedra Province, Potosi Department, Bolivia $900.00 Augelite with Chalcanthite / Locality - Machacamarca Mine, Colavi, Saavedra Province, Potosi Department, Bolivia $250.00 Ludlamite on Limonite and Pyrite / Locality - Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia $500.00 Ludlamite with Siderite on Pyrite / Locality - Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia $375.00 Ludlamite on Pyrite / Locality - Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia $550.00 Ludlamite on Pyrite / Locality - Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia $450.00 Ludlamite (unique sphere-shaped aggregate) / Locality - Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia $400.00 Ferberite (doubly-terminated twin) with Quartz / Locality - Tasna Mine, Potosi Department, Bolivia $700.00 Ferberite (twin) / Locality - Tasna Mine, Potosi Department, Bolivia $400.00 Ferberite (twin) with Marcasite and Arsenopyrite / Locality - Tasna Mine, Potosi Department, Bolivia $425.00 Ferberite / very aesthetic group / Locality - Tasna Mine, Potosi Department, Bolivia $1,450.00 Ferberite / multi-twinned specimen! / Locality - Tasna Mine, Potosi Department, Bolivia $1,300.00 Ferberite (twin) / Locality - Tasna Mine, Potosi Department, Bolivia $400.00 Ferberite / Locality - Tasna Mine, Potosi Department, Bolivia $100.00 Ferberite / aesthetic twinned group / Locality - Tasna Mine, Potosi Department, Bolivia $900.00 Ferberite (twin) / Locality - Tasna Mine, Potosi Department, Bolivia $950.00 Ferberite / multi-twinned specimen! / Locality - Tasna Mine, Potosi Department, Bolivia $1,100.00 Ferberite (rare doubly-terminated twin) on matrix! / Locality - Tasna Mine, Potosi Department, Bolivia $1,500.00 Ferberite (twin) / Locality - Tasna Mine, Potosi Department, Bolivia $350.00