Last Updated
：2025/11/21
biotite
IPA(Pronunciation)
Noun
countable
uncountable
Japanese Meaning
暗褐色の雲母。カリウム、マグネシウム、鉄を含む混合アルミノケイ酸塩およびフッ化物。
（ plural ）
Quizzes for review
(mineralogy) A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron.
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biotite
The geologist carefully examined the slab and noted the shimmering flakes of biotite embedded within the granite.
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The geologist carefully examined the slab and noted the shimmering flakes of biotite embedded within the granite.
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