16cts Certified Natural Mogok good Ruby Red Round Cabochon Slice

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Gemstone: Ruby
Color: Red Black
Shape: Round
Size: 24.16x23.76x2.18 approx good.
Weight: 16cts approx.
refractive index:1.75 - 1.76
specific gravity: 3.97 - 4.05
Mohs hardness: 9
birthstone: July
Origin: Myanmar
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