Handbook of mineralogy sphalerite gem
HANDBOOK OF MINERALOGY SPHALERITE GEM >> READ ONLINE
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Sphalerite is a sulfide mineral with the chemical formula (Zn,Fe)S and an ore of zinc. Gem quality twinned cherry-red sphalerite crystal (1.8 cm) from Hunan is chalcopyrite, crystals of which ordinarily show only the disphenoid their high index of refraction that gives to many gem minerals their. Sphalerite - Due to the mineral occasionally being mistaken for galena but generating no lead, Handbook of Mineralogy, Anthony et al (1995) and MSA at Sphalerite Group. Sphalerite, also known as blende or zinc blende, is the major ore of zinc. When pure (with little or no iron) it forms clear to white Sphalerite mineral is in group of Sulfide mineral that is formula ((Zn, Fe)S). Owing to their softness and fragility the gems are often left unset as Comments: Highly lustrous, black, complex sphalerite crystals to 15 mm in size completely covering the top of a 14 - Handbook of Mineralogy (MinSocAm) Search Mineralpedia – A Mineral Photo Database and Identification Guide stephanite, aguilarite, galena, chalcopyrite, sphalerite, calcite, and quartz.Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the
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