最終更新日：2024/08/01

(mineralogy) A hexagonal-dipyramidal mineral containing hydrogen, iron, magnesium, nickel, oxygen, and tellurium.

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keystoneite

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元となった辞書の項目

keystoneite

noun

(mineralogy) A hexagonal-dipyramidal mineral containing hydrogen, iron, magnesium, nickel, oxygen, and tellurium.

The keystoneite is a rare mineral found in certain geological formations.

意味（1）

(mineralogy) A hexagonal-dipyramidal mineral containing hydrogen, iron, magnesium, nickel, oxygen, and tellurium.