Last Updated：2025/11/26
Sentence
その鉱山で見つかった、水素・マンガン・ニッケル・酸素を含む三方晶系の赤黒色鉱物は、独特の結晶形と赤黒い光沢を示した。
Quizzes for review
The ernienickelite discovered in the mine had a distinctive trigonal crystal habit and a reddish-black luster.
See correct answer
The ernienickelite discovered in the mine had a distinctive trigonal crystal habit and a reddish-black luster.
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