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Sapphire is a variety of the mineral Corundum it is the same material as Ruby, consisting of aluminum oxide with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon it has a hardness of 9 on the Mohs scale. It has a Refractive Index of 1.76 – 1.77. This beautiful piece of Sapphire from the Biashara Mine in Garbatula, Kenya weighs 4.74cts measures 13X7X5mm and is eye clean.

BIASHARA SAPPHIRE 4.74 CTS 13X7X5MM

SKU: BIAS#4
$900.00 Regular Price
$270.00Sale Price

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