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Definition of Rankamaite
1. Noun. (minerology) An orthorhombic-dipyramidal mineral containing aluminum, hydrogen, lead, lithium, niobium, oxygen, potassium, sodium, and tantalum. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) An orthorhombic-dipyramidal mineral containing aluminum, hydrogen, lead, lithium, niobium, oxygen, potassium, sodium, and tantalum. ¹
¹ Source: wiktionary.com