鉱こう物ぶつ質しつ

noun

mineral matter; mineral substance

Refers to inorganic, naturally occurring solid material with a definite chemical composition and crystalline structure; used in geology, chemistry, and materials science.

• この岩がん石せきには多おおくの鉱こう物ぶつ質しつが含ふくまれている。

  This rock contains a lot of mineral matter.

• 鉱こう物ぶつ質しつの分ぶん析せきには専せん門もん的てきな機き器きが必ひつ要ようだ。

  Specialized equipment is needed for the analysis of mineral substances.