Pink corundum var. sapphire; Lục Yên District, Yên Bái Province, Vietnam
12 mm X 11 mm X 7 mm
Shown below under longwave UV and visible light, then reverse side in the same order.
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Pink corundum var. sapphire; Lục Yên District, Yên Bái Province, Vietnam
12 mm X 11 mm X 7 mm
Shown below under longwave UV and visible light, then reverse side in the same order.
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