Asbolane

Asbolane
Asbolane in its crystal form
General
CategoryHydroxide mineral
FormulaMn4+(O,OH)2·(Co,Ni,Mg,Ca)x(OH)2x·nH2O
IMA symbolAsb
Crystal systemHexagonal crystal system
ColourBlack

Asbolane, previously cobalt ochre: 172  is a manganese (IV) oxy-hydroxide mineral containing also cobalt, nickel, magnesium, and calcium ions. It crystallizes in the hexagonal crystal system. Its chemical formula is Mn4+(O,OH)2·(Co,Ni,Mg,Ca)x(OH)2x·nH2O.

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