Corundum (aluminum oxide) | |||
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Corundum (aluminum oxide). Description from the source: Corundum (Al2O3 trig.), India. Partially levigated to highlight the cat's-eye effect. Purple-bluish color, very nice. 4x3x2 cm; 57 g. Source: Simone Citon Contributor: John Gray Acquired: 26 September, 2008 Text Updated: 28 September, 2008 Price: Trade Size: 1.6" Composition: Al2O3 | |||
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