noun
lithia mica
A mineralogical term for a lithium-rich mica, such as lepidolite. Used in geology and materials science.
リチア雲母はリチウムの重要な鉱石鉱物の一つです。
Lithia mica is one of the important ore minerals of lithium.
Compound of リチア (lithia, from English 'lithia') and 雲母 (うんも, mica). The exact historical derivation is uncertain; the term is a modern mineralogical coinage.