andradite
A nesosilicate mineral of the garnet group with chemical formula Ca₃Fe₂Si₃O₁₂.
One of two usually roughly equal parts into which anything may be divided, or considered as divided.
plural of Forst
(of a lock) Resistant to being picked.
収集家はガラス棚に、Ca3Fe2Si3O12という化学組成を持つカルシウム鉄ガーネットの完璧な標本を誇らしげに展示した。
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