Brian Kosnar - Mineral Classics

Brian Kosnar - Mineral Classics

All items
Bournonite on Quartz / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia Bournonite on Quartz / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia $300.00 K-Feldspar (var: Adularia) (superb twin) with "Chlorite" / Locality - Agenetal (Aeginental), Ulrichen, Goms, Wallis (Valais), Switzerland K-Feldspar (var: Adularia) (superb twin) with "Chlorite" / Locality - Agenetal (Aeginental), Ulrichen, Goms, Wallis (Valais), Switzerland $1,500.00 Dioptase on Calcite (classic material) / Locality - Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia Dioptase on Calcite (classic material) / Locality - Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia $600.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $75.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $100.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $75.00 Microcline / Locality - Lake George Area, Park County, Colorado Microcline / Locality - Lake George Area, Park County, Colorado $75.00
Childrenite (rare) on Quartz / Locality - Siglo XX Mine (Siglo Veinte Mine), Llallagua, Bustillo Province, Potosi Department, Bolivia Childrenite (rare) on Quartz / Locality - Siglo XX Mine (Siglo Veinte Mine), Llallagua, Bustillo Province, Potosi Department, Bolivia $900.00 Cerussite (GEMMY smoky colored "snowflake" twin) / Locality - Tsumeb Mine, Tsumeb Otjikoto Region, Namibia Cerussite (GEMMY smoky colored "snowflake" twin) / Locality - Tsumeb Mine, Tsumeb Otjikoto Region, Namibia $800.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $70.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $40.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $40.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $75.00 Microcline (variety "Amazonite") on Albite (variety "Cleavelandite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") on Albite (variety "Cleavelandite") / Locality - Lake George Area, Park County, Colorado $90.00
Childrenite / Locality - Siglo XX Mine (Siglo Veinte Mine), Llallagua, Bustillo Province, Potosi Department, Bolivia Childrenite / Locality - Siglo XX Mine (Siglo Veinte Mine), Llallagua, Bustillo Province, Potosi Department, Bolivia $400.00 Kunzite (doubly-terminated) / (623 grams) / Locality - Nuristan, Afghanistan Kunzite (doubly-terminated) / (623 grams) / Locality - Nuristan, Afghanistan $1,950.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $90.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $35.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $35.00 Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado $60.00
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