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Definition of Selwynite
1. Noun. (minerology) A tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium. ¹
¹ Source: wiktionary.com