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Definition of Pierrotite
1. Noun. (minerology) An orthorhombic-pyramidal grayish black mineral containing antimony, arsenic, sulfur, and thallium. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) An orthorhombic-pyramidal grayish black mineral containing antimony, arsenic, sulfur, and thallium. ¹
¹ Source: wiktionary.com