marumoite

(mineralogy) A monoclinic-sphenoidal lead gray mineral containing arsenic, lead, and sulfur.

Japanese Meaning

鉛、砒素、硫黄を含む鉛灰色の、単斜晶系と菱面体形の性質を持つ鉱物

The geologist carefully described the marumoite specimen, noting its lead-gray luster and its composition of arsenic, lead, and sulfur.

地質学者は、ヒ素・鉛・硫黄を含む単斜晶系のくさび状で鉛灰色の鉱物の標本を注意深く詳述し、その光沢と組成に言及した。

Sense（1）

(mineralogy) A monoclinic-sphenoidal lead gray mineral containing arsenic, lead, and sulfur.