Sapphire (multi-color/color change)

Photo Copyright © Brian Kosnar - Mineral Classics  - This image is copyrighted. Unauthorized reproduction prohibited.
Gemstone: Sapphire
Location of Origin:Tunduru, Tunduru District, Ruvuma Region, Tanzania
Treatments:None reported
Cut Type:Cushion
Weight:1.33 cts.
Dimensions:7.42mm x 5.17mm x ?mm
This cut is referred to as a "Quantum Concave Cushion"

This gem has a really interesting color as it shows a purple hue in sunlight, but shows more of a lilac purple color in halogen lighting, and strong pinkish-purple color in incandescent lighting.

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