最終更新日：2025/11/26
The museum's new exhibit features a rare specimen of cechite, an orthorhombic-dipyramidal black mineral containing hydrogen, iron, lead, manganese, oxygen, and vanadium.
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The museum's new exhibit features a rare specimen of cechite, an orthorhombic-dipyramidal black mineral containing hydrogen, iron, lead, manganese, oxygen, and vanadium.
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