Item talk:Q162552
From geokb
Mindat Short Description
Mica Group.
The most common of the Mica Group minerals, it is typically found as massively crystalline material in "books" or in flaky grains as a constituent of many rock types. It is clear with a pearly luster on cleavage faces, often having a spa...
Geoscience Ontology Status Notes
Preciously known under related names like muscovy glass, but the current name was introduced in this publication: Dana J D (1850) Mica Family: Muscovite, in A System of Mineralogy, Third Edition, George P Putnam (New York) 356-358
IMA Formula (from Mindat)
KAl2(Si3Al)O10(OH)2
RRUFF Formula (from Geoscience Ontology)
KAl2(Si3Al)O10(OH)2
