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Sprj & Vard minerals . Kyanite. Color: Blue, white, yellow, green or pink Hardness: 5.5 – 7 Streak: Colorless Cleavage: Perfect Density: 3.53 – 3.65.
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Kyanite Color: Blue, white, yellow, green or pink Hardness: 5.5 – 7 Streak: Colorless Cleavage: Perfect Density: 3.53 – 3.65