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Definition of Mattheddleite
1. Noun. (minerology) A hexagonal-dipyramidal mineral containing chlorine, lead, oxygen, silicon, and sulfur. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A hexagonal-dipyramidal mineral containing chlorine, lead, oxygen, silicon, and sulfur. ¹
¹ Source: wiktionary.com