| | |   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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