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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 3.70cts measures 11x7x4mm and is eye clean.

BIASHARA SAPPHIRE 3.70 CTS 11X7X4MM

SKU: BIAS#6
$500.00 Regular Price
$150.00Sale Price
Out of Stock

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