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Ruby — specimen 0318, photo © NMNHS
Ruby — specimen 0318, photo © NMNHS

Rubyspecimen 0318


Southeast Asia
Ruby — specimen 0318, locality map

Weight: 0.11 ct; size: 2.67 | 2.63 | 2.00 mm; shape: round; colour: medium dark purple; strong; clarity: eye clean; cut: good; treatment: heating.

Small, very clean specimen; good brilliant style cut. Source: David Weinberg, Multicolour Gems Ltd.

Other specimens
Ruby — specimen 0147Ruby — specimen 0276Ruby — specimen 0629Ruby — specimen 0654

More information from ‘Classification’

A red, gem variety of corundum. The red colour is caused by minor amounts of trivalent chromium replacing aluminium in the crystal structure.