Beryllium is a stone element with symbol Be and atomic number 4. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays.Within the cores of stars beryllium is depleted as it is fused and creates larger elements. It is a divalent element which occurs naturally only in combination with other ...
The following outline is provided as an overview of and topical guide to mining: . Mining – extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam. Any material that cannot be grown from agricultural processes, or created artificially in a laboratory or factory, is usually mined.
Magnesite is mostly an evaporite mineral found in sedimentary rocks. It also occurs as veins in ultramafic rocks, such as serpentinite and other magnesium rich rock types found in mountain forming belts. It is used in furnaces in conjunction with lime as a slag former in steelmaking. The use of magnesite protects the magnesium oxide lining. It is also used as catalyst and filler in the ...
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