Last Updated:2025/11/26

The geologist proudly displayed a sample of rankachite he had extracted from the pegmatite vein.

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The geologist proudly displayed a sample of rankachite he had extracted from the pegmatite vein.

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地質学者はペグマタイト脈から採取した、カルシウム・水素・鉄・酸素・タングステン・バナジウムを含む直方晶双錐型鉱物の標本を誇らしげに示した。

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