What is a black, greenish, or brownish mineral of the chrysolite group. It is a silicate of iron called?
fayalite — A black, greenish, or brownish mineral of the chrysolite group. It is a silicate of iron. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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