最終更新日：2025/11/26
The mineralogist identified the howardevansite by its black triclinic-pinacoidal crystals and the presence of copper, iron, sodium, oxygen, and vanadium.
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The mineralogist identified the howardevansite by its black triclinic-pinacoidal crystals and the presence of copper, iron, sodium, oxygen, and vanadium.
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