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Common Minerals. By: zart and poll. Arsenic. It’s white and will quickly change to grey Fracture uneven Luster is metallic Hardness is 3-4. Kyanite. Color is usually light blue but often other colors Kyanite is aluminum silicate
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Common Minerals By: zart and poll
Arsenic • It’s white and will quickly change to grey • Fracture uneven • Luster is metallic • Hardness is 3-4
Kyanite • Color is usually light blue but often other colors • Kyanite is aluminum silicate • It has two hardness's 4-5 and 6-7 • Perfect cleavage
Barium • Color is silvery-white • Hardness is 1.25