5 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
braggite
Mining; General mining
A tetragonal mineral (Pt,Pd,Ni)S : steel gray, minute grains in concentrates from the Bushveld norite of the Transvaal, South Africa. A source of platinum and palladium.
meliphanite
Mining; General mining
A tetragonal mineral, (Ca,Na) 2 Be(Si,Al) 2 (O,OH,F) 7 ; structurally similar to the melilites. Also spelled meliphane.
gugiaite
Mining; General mining
A tetragonal mineral, (Ca,Na) 2 Be(Si,Al) 2 (O,OH,F) 7 ; structurally similar to the melilites. Also spelled meliphane.
beyerite
Mining; General mining
A tetragonal mineral, (Ca,Pb)Bi 2 (CO 3 ) 2 O 2 ; forms minute tetragonal crystals and earthy masses; a secondary bismuth mineral.
saryarkite
Mining; General mining
A tetragonal mineral, (Ca,Y,Th) 2 Al 4 (SiO 4 ,PO 4 ) 4 (OH).9H 2 O or Ca(Y,Th)Al 5 (SiO 4 ) 2 (PO 4 ) 2 (OH) 7 .6H 2 O .
renierite
Mining; General mining
A tetragonal mineral, (Cu,Zn) 11 (Ge,As) 2 Fe 4 S 16 ; pseudocubic; a possible source of germanium. (Not reinerite.)
schreibersite
Mining; General mining
A tetragonal mineral, (Fe,Ni) 3 P ; highly magnetic; contains small amounts of cobalt and traces of copper and tarnishes to brass yellow or brown. Schreibersite occurs in tables or plates as oriented ...
