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Definition of Bradaczekite
1. Noun. (minerology) A monoclinic-prismatic dark blue mineral containing arsenic, copper, oxygen, sodium, and zinc. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A monoclinic-prismatic dark blue mineral containing arsenic, copper, oxygen, sodium, and zinc. ¹
¹ Source: wiktionary.com