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Sapphire — specimen 0668, photo © NMNHS
Sapphire — specimen 0668, photo © NMNHS

Sapphirespecimen 0668


Southeast Asia
Sapphire — specimen 0668, locality map

Weight: 0.31 ct; size: 5.48 | 2.91 | 1.91 mm; shape: octagon; colour: medium light yellowish green; slightly greyish; clarity: eye clean; cut: excellent; treatment: heating.

Very clean specimen; design ‘Octangulum’ [crown angles changed to 21.00, 18.00], excellent cut by Tan Pen.

Other specimens
Sapphire — specimen 0263Sapphire — specimen 0326Sapphire — specimen 0640Sapphire — specimen 0646Sapphire — specimen 0505Sapphire — specimen 0223Sapphire — specimen 0364Sapphire — specimen 0148

More information from ‘Classification’

Most commonly refers to a blue gem variety of corundum, but other coloured varieties of corundum are also described as sapphire, except the natural red.