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Archive for March, 2010

Aksaite

Tuesday, March 30th, 2010

The chemical formula of mineral Aksaite is indicated by the formula MgB6O7(OH)6-2(H2O). Mineral Aksaite is usually found in fine-grained halite in a salt dome. It is most commonly found occuring at its type of locality at Chelkar, Ak-Sai Valley in Kazakhstan. The mineral was named after its localty. Mineral Aksaite is known to crystallize in […]

Akermanite

Tuesday, March 30th, 2010

The chemical formula of mineral Akermanite is indicated by Ca2MgSi2O7. Akermanite is a known product of contact metamorphism of siliceous limestones and dolostones, and in rocks of the sanidinite. It is also usually found forming from alkaic magmas rich in calcium. Akermanite has typical occurrence as intermediate series member. It is a relatively pure example […]

Akaganeite

Tuesday, March 30th, 2010

The chemical formula of mineral Akaganeite is indicated by Fe+++(O,OH,Cl). Mineral Akaganeite is apparently formed from pyrrhotite by ferric-sulfate-bearing solutions. It is usually found transforming to hematite at 290 to 310 degree Celsius. Mineral Akaganeite is most commonly found at its type of locality at Akagane mine, Iwate Prefecture, Japan. This mineral was named after […]

Aguilarite

Tuesday, March 30th, 2010

The chemical formula of mineral Aguilarite is indicated by Ag4SeS. It is usually found at low temperature silver mineral in deposits rich in selenium. Aguilarite is most commonly found in Guanajuato, Mexico at San Carlos Mine. Aguilarite was named after Ponciano Aguilar, the superintendent of the San Carlos Mine where the mineral was found. Mineral […]

Agrinierite

Tuesday, March 30th, 2010

The chemical formula of mineral Agrinierite is indicated by (K2,Ca,Sr)U30-4(H2O). This mineral is usually found in the oxidized zone of a uranium deposit. Agrinierite is most commonly found in Margnac mine, Compreignac, Haute-Vienne, France. Agrinierite was named after Henri Agrinier, an engineer in the Mineralogy Laboratory of the French Atomic Energy Commission, Paris, France. Agrinierite […]

Agrellite

Tuesday, March 30th, 2010

The chemical formula of mineral Agrellite is indicated by NaCa2Si4O10F. Agrellite is usually found in alkalic igneous rocks of the Sheffield Lake complex. Agrellite is most commonly found at its type of locality at Kipawa River, Quebec, Canada. This mineral was named after Stuart O. Agrell, a British mineralogist at Cambridge University. Mineral Agrellite is […]

Alamosite

Monday, March 15th, 2010

The chemical formula of mineral Alamosite is indicated by PbSiO3. Alamosite is a rare secondary mineral in the oxidized zone of lead-bearing base metal deposits. Alamosite is usually found at its type of locality at Alamos, Sonora, Mexico and some mines at Zimpan, Hidalgo. It can be also found at Arizona, USA. This mineral has […]

Aikinite

Monday, March 15th, 2010

The chemical formula of mineral Aikinite is indicated by PbCuBiS3. Mineral Aikinite is most commonly found in hydrothermal veins. There are also numerous minor localities where Aikinite can be found including Utah and Nevada, USA. Aikinite was named after Dr. Arthur Aikin (1773-1854), a founder and long-time ago Secretary of the Geological Society of London, […]

Aheylite

Monday, March 15th, 2010

The chemical formula of mineral Aheylite is indicated by (fe++,Zn)Al6(PO4)4(OH)8.4(H2O). Aheylite is the late stage hydrothermal mineral in a base-metal tin deposit. Aheylite is most commonly found in its type of locality at Huani mine, Mina Flores Mountain, Huani district, Bolivia. Aheylite is known to crystallize in the triclinic system of crystal formation. In optical […]

Afwillite

Monday, March 15th, 2010

The chemicall formula of mineral Afwillite is indicated by Ca3Si2O4(OH)6. Afwillite is a known product of metamorphism of limestones. Afwillite usually from diamond mine, Kimbrly, and the Wessels mine, near Kuruman at Cape Province, South Africa. Afwillite was named after Alpheus Fuller Williams (1874-1953), General Manager, DeBeers Consolidated Mines at Kimberly, South Africa. Afwillite is […]

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