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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
ferroeckermannite
Mining; General mining
Monoklinski mineralnih, Na 3 (Fe 2 + , Mg) 4 AlSi 8 O 22 (OH) 2 ; amfibolnih skupine; je Mg / (Mg + Fe 2 + ) = 0 za 0,49; oblik niz s eckermannite.
eckermannite
Mining; General mining
Monoklinski mineral, Na 3 (Mg, Fe) 4 AlSi 8 O 22 (OH) 2 ; amfibolnih skupine z Mg / (Mg + Fe 2 + ) = 0,5 do 1,0 in Fe 3 + / (Fe 3 + + Al) = 0 do 0,5; vlaknenih; v nepheline ...
cryolite
Mining; General mining
Monoklinski mineralnih, Na 3 AlF 6 ; voščene brezbarvna do bela (izgine v vodi zaradi nizko lomni količnik); mehko; v veinlike cleavable mase v granitu Ivigtut, Grenlandija.
eudidymite
Mining; General mining
Monoklinski mineralnih, NaBeSi 3 O 7 (OH); dimorphous z epididymite; steklastega v prozoren do prosojen tabelarnih kristali s lamelnega twinning ob eno odlično in ena nepopolno razkrajanja; v ...
searlesite
Mining; General mining
Monoklinski mineralnih, NaBSi 2 O 5 (OH) 2 ; oblike minuto spherulites sestavljena sevalnih vlakna; v: Searles Lake, CA.
grantsite
Mining; General mining
Monoklinski mineralnih, NaCa (V 5 + , V 4 + ) 6 O 16 .4H 2 O; v Nježan, biserno ali subadamantine vlaknastih agregate premaz zlomov ali tvori tanko šive v peščenjaka ali apnenca; blizu ...
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