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：2025/11/26
pierrotite
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(mineralogy) An orthorhombic-pyramidal grayish black mineral containing antimony, arsenic, sulfur, and thallium.
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pierrotite
The geologist carefully examined the vein of pierrotite, noting its metallic luster and association with antimony-rich deposits.
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The geologist carefully examined the vein of pierrotite, noting its metallic luster and association with antimony-rich deposits.
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