rankinite

(mineralogy) A monoclinic-prismatic mineral containing calcium, oxygen, and silicon.

Japanese Meaning

カルシウム、酸素、ケイ素を含む、一方晶プリズマ（単斜晶系に近い）構造をもつ鉱物

The geologist identified rankinite in the thin section, noting its pale gray color and prismatic habit.

地質学者は薄片試料でカルシウム、酸素、ケイ素を含む単斜晶系の柱状鉱物を確認し、その淡い灰色の色と柱状の結晶形に注目した。

Sense（1）

(mineralogy) A monoclinic-prismatic mineral containing calcium, oxygen, and silicon.