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Sphaerobertrandite xls, Epididymite. Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russie FOV=23 mm Photo Martin Slama

Sphaerobertrandite xls, Epididymite. Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russie FOV=23 mm Photo Martin Slama

Sharp, Translucent Clinohumite from Ladjuar Medam, Koksha Valley, Badakshan, Afghanistan

Sharp, Translucent Clinohumite from Ladjuar Medam, Koksha Valley, Badakshan, Afghanistan

Dumortierite, Al6.5-7(BO3)(SiO4)3(O,OH)3, New York City, New York, USA. Dimensions: 48 x 36 x 20 mm. Sprays of blue-gray dumortierite crystals in quartz. A crumbling old label that came with this specimen says 135th Street & Mott Avenue, NYC. Uploaded by: Kelly Nash

Dumortierite, Al6.5-7(BO3)(SiO4)3(O,OH)3, New York City, New York, USA. Dimensions: 48 x 36 x 20 mm. Sprays of blue-gray dumortierite crystals in quartz. A crumbling old label that came with this specimen says 135th Street & Mott Avenue, NYC. Uploaded by: Kelly Nash

Stillwellite-(Ce), 	(Ce,La,Ca)BSiO5, Dara-i-Pioz, Alayskiy Range, South Tien-Shan Mountains, Tajikistan. Red or green (depending upon light source) hexagonal prism associated with aegirine and orthoclase

Stillwellite-(Ce), (Ce,La,Ca)BSiO5, Dara-i-Pioz, Alayskiy Range, South Tien-Shan Mountains, Tajikistan. Red or green (depending upon light source) hexagonal prism associated with aegirine and orthoclase

Monticellite, 	CaMgSiO4, on Calcite, Commercial quarry, Crestmore, Riverside Co., California, USA. Greenish crystal of Monticellite to 2cm in blue Calcite

Monticellite, CaMgSiO4, on Calcite, Commercial quarry, Crestmore, Riverside Co., California, USA. Greenish crystal of Monticellite to 2cm in blue Calcite

Kyanite ~ Barra do Salinas District Minas Gerais Brazil

Kyanite ~ Barra do Salinas District Minas Gerais Brazil

Andalusite, an aluminum nesosilicate mineral. Bregaglia Valley, Lombardy, Italy

Andalusite, an aluminum nesosilicate mineral. Bregaglia Valley, Lombardy, Italy

Clinohumite, 4.3 cm long Kukh-i-Lal gem spinel deposit, Tajikistan

Lithographie, Ltd. on

Clinohumite, 4.3 cm long Kukh-i-Lal gem spinel deposit, Tajikistan

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