Ruby Corundum | |||
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Ruby Corundum. Description from the source: Corundum var. Ruby (Al2O3 trig.), Mysore, India. Perfect crystal on matrix. 3,2x2,5x2 cm (up to 14 mm the crystal); 20 g. Source: Simone Citon Contributor: John Gray Acquired: 26 September, 2008 Text Updated: 28 September, 2008 Price: Trade Size: 0.5" Composition: Al2O3 | |||
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