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Definition of Thorbastnasite
1. Noun. (minerology) A hexagonal-ditrigonal dipyramidal brown mineral containing calcium, carbon, cerium, fluorine, hydrogen, oxygen, and thorium. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A hexagonal-ditrigonal dipyramidal brown mineral containing calcium, carbon, cerium, fluorine, hydrogen, oxygen, and thorium. ¹
¹ Source: wiktionary.com