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：2025/11/26
angelaite
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(mineralogy) A monoclinic-prismatic gray mineral containing bismuth, copper, lead, silver, and sulfur.
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angelaite
The geologist carefully documented the angelaite found in the hydrothermal vein, noting its metallic luster and prismatic crystals.
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The geologist carefully documented the angelaite found in the hydrothermal vein, noting its metallic luster and prismatic crystals.
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