lepidomelane
Noun
Meaning
An iron-potash mica, of a raven-black color, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales. See Mica.
Source: Webster's dictionarySynonyms
garnet
quartz
muscovite
olivine
pyrite
feldspar
magnetite
amphibole
plagioclase
orthoclase
limonite
galena
pyroxene
hornblende
chalcopyrite
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