Albrechtschraufite
Albrechtschraufite is a very rare complex hydrated Ca- and Mg-bearing uranyl fluoride carbonate mineral with formula Ca4Mg(UO2)2(CO3)6F2·17H2O. This is a triclinic-pinacoidal yellow-green mineral containing calcium,…
Chemistry
Albite: Occurrence and Identification
Albite is a plagioclase feldspar mineral. It belongs to the Plagioclase Feldspar group, an isomorphous solid solution series. It is the sodium endmember of the…
Alarsite
Alarsite, formula- (AlAsO4) is an aluminum arsenate mineral with its name derived from its composition: aluminum and arsenate. It is a trigonal mineral. It occurs…
Alamosite
Alamosite, formula- (Pb12Si12O36) is a colorless silicate mineral named after the place where it was discovered, Álamos, Sonora, Mexico. It is named for the type…
Alacránite
Alacránite, formula- (As8S9) is an arsenic sulfide mineral first discovered in the Uzon caldera, Kamchatka, Russia. It forms orange acicular crystals in subparalel groups with…
Alabandite
Alabandite is a rarely occurring manganese sulfide mineral. The name is derived from its supposed discovery locality at Alabanda, Turkey. It crystallizes in the cubic…
Aktashite
Aktashite is a rare arsenic sulfosalt mineral with formula Cu6Hg6As4S12. It is a copper mercury-bearing sulfosalt and is the only sulfosalt mineral with essential Cu…
Akrochordite
Akrochordite is a monoclinic-prismatic reddish-brown mineral containing arsenic, hydrogen, magnesium, manganese, and oxygen. It is an exceptionally rare hydrated hydrous arsenate mineral of the formula…
Akimotoite: Occurrence and Identification
Akimotoite is a rare silicate mineral (Mg,Fe)SiO3 in the ilmenite group of minerals. It found in fragments within veins of the shock-induced melt. It is…
Akhtenskite
Akhtenskite is a manganese oxide mineral with the chemical formula of MnO2 that was named after the Akhtensk deposit in Russia, where it was first…
Akermanite
Akermanite, formula – (Ca2Mg[Si2O7]) is a melilite mineral of the sorosilicate group, containing calcium, magnesium, silicon, and oxygen. It is consists of calcium magnesium silicate…
Akdalaite: Properties
Akdalaite is a very rare mineral found in Kazakhstan and has the formula 5Al2O3·H2O. It was formerly believed to be 5Al2O3·H2O It is, therefore, the…
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