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Definition of Ellisite
1. Noun. (minerology) A trigonal-ditrigonal pyramidal dark gray mineral containing arsenic, sulfur, and thallium. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A trigonal-ditrigonal pyramidal dark gray mineral containing arsenic, sulfur, and thallium. ¹
¹ Source: wiktionary.com