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Definition of Wallisite
1. Noun. (minerology) A triclinic-pinacoidal mineral containing arsenic, copper, lead, silver, sulfur, and thallium. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A triclinic-pinacoidal mineral containing arsenic, copper, lead, silver, sulfur, and thallium. ¹
¹ Source: wiktionary.com