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Definition of Astrophyllite
1. Noun. (minerology) A rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral, visually identical to kupletskite. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral, visually identical to kupletskite. ¹
¹ Source: wiktionary.com