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Definition of Effenbergerite
1. Noun. (minerology) A tetragonal-ditetragonal dipyramidal blue mineral containing barium, copper, oxygen, and silicon. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A tetragonal-ditetragonal dipyramidal blue mineral containing barium, copper, oxygen, and silicon. ¹
¹ Source: wiktionary.com