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Class: SilicateHardness: 7.5Density: 4.6 - 4.7Streak: WhiteLustre: SubadamantineHabit: Excellent tetragonal prismsColours: Colorless, red, brown, yellow, green or gray
Identification in hand sample:Excellent crystalline habit, density and streak/colour are indicative.
Industrial / ecomonic uses:Source of zirconium and hafnium
Comments:Often radioactive due to presence of U and Th.
Inaccurate data? Better photos?