Collection of weekly news and commentaries from John Betts, lecturer, author, photographer, mineral collector, and mineral dealer. Practical everyday advice for ...
Beryl is a minor ore of beryllium and the gem mineral of emerald, aquamarine, morganite, heliodor, maxixe, red beryl, goshenite and more.
Vertical quartz veins in a coarsegrained red granite at Cala Sarraina beach, at the northern end of the Costa Paradiso, Trinità d'' Agultu, Sassari Province ...
Mining in Afghanistan is controlled by the Ministry of Mines and Petroleum, which is headquartered in Kabul with regional offices in other parts of the country.
Talc or talcum is a clay mineral composed of hydrated magnesium silicate with the chemical formula H 2 Mg 3 (SiO 3) 4 or Mg 3 Si 4 O 10 (OH) 2. In loose form, it was ...
Detailed description, properties, locality information guide about the blue mineral lazulite.
Detailed description, properties, locality information guide about the pyroxene mineral diopside.
Microcline Columbite(Fe) Comments: Blocky, dark brown ferrocolumbite on pale greenish blue amazonite (microcline). Location: Crystal Park, El Paso Co., Colorado, .
Simandl,, Paradis, S. and Birkett, T. (1999): Colombiatype Emeralds; in Selected British Columbia Mineral Deposit Profiles, Volume 3, Industrial Minerals, ...
Click below to view list of the following compilations GC Article originally in AAPG Explorer Geophysical Corner . PS Article originally presented as ...
Welcome to Directorate of Geology and Mining, Chhattisgarh
General Olivine Information : Chemical Formula: (Mg,Fe)2SiO4 : Composition: Molecular Weight = gm Magnesium % Mg % MgO
10. Dolomite: Dolomite occurrences are widespread in almost all parts of the country. The total in situ reserves of all grades of dolomite are 7,349 million tonnes.
Muscovite Feldspar Muscovite Mica Muscovite Mica Muscovite is a common rock forming mineral and is found in igneous, metamorphic and detrital sedimentary rocks.
Fluorite is a mineral with a veritable bouquet of brilliant colors. Fluorite is well known and prized for its glassy luster and rich variety of colors.
Ilmenite is an economically important and interesting mineral. It is named for its place of discovery (such places are called type localities) at Ilmen Lake in the ...
2017. Polymer Injection Project in an Unconsolidated Sandstone in Neuquén Basin, Argentina, Federico Hochenfellner, #20397 (2017). PS Experimental Workflow Applied ...