- Mindat. org - Mines, Minerals and More
Welcome Mindat org is the world's largest open database of minerals, rocks, meteorites and the localities they come from Mindat org is run by the not-for-profit Hudson Institute of Mineralogy
- Mindat. org: Mindat. org - Mines, Minerals and More
Mindat org is tracked by us since April, 2011 Over the time it has been ranked as high as 42 565 in the world, while most of its traffic comes from USA, where it reached as high as 19 551 position
- Celadonite - Mindat. org
Misiones; Iguazú department ⓘ Wanda mines Brodtkorb, A (1999) Yacimientos de amatistas y ágatas ornamentales de Misiones En: Recursos Minerales de la República Argentina (Ed E O Zappettini), Instituto de Geología y Recursos Minerales SEGEMAR, Anales 35: 937-939
- Chromite - Wikipedia
Chromite is found as orthocumulate lenses of chromitite in peridotite from the Earth's mantle It also occurs in layered ultramafic intrusive rocks In addition, it is found in metamorphic rocks such as some serpentinites Ore deposits of chromite form as early magmatic differentiates It is commonly associated with olivine, magnetite, serpentine, and corundum
- Native metal - Wikipedia
Occurrence Gold Gold is the most well known of the native metals Most gold is mined as native metal and can be found as nuggets, veins or wires of gold in a rock matrix, or fine grains of gold, mixed in with sediments or bound within rock
- Emerald beryl: The green mineral Emerald information and . . .
Emerald is the green variety of Beryl, and its most precious and valuable variety Its intense green color has given it status as an important gemstone throughout the centuries The color of Emerald is green to emerald-green
- Shattuckite: The blue mineral shattuckite information and . . .
The finest examples of Shattuckite, in vivid blue formations usually lining vugs, are found in the copper mines of the Kaokoveld District, Kunene Region, Namibia It also comes from the same region in Namibia at Mesopotamia 504 in Khorixas as botryoidal growths Radial Shattuckite sprays, sometimes with concentric banding, come from the Katanga (Shaba) Copper Belt, Congo (Zaire)
- Painite Mineral Data
General Painite Information : Chemical Formula: CaZrB[Al9O18] Composition: Molecular Weight = 586 42 gm Sodium 0 74 % Na 1 00 % Na 2 O: Calcium 5 26 % Ca 7 36 % CaO: Zirconium 0 62 % Zr 0 84 % ZrO 2: Titanium 1 55 % Ti 2 59 % TiO 2: Aluminum 40 49 % Al 76 50 % Al 2 O 3: Chromium 0 27 % Cr 0 35 % CrO: Boron 1 95 % B 6 29 % B 2 O 3