As name suggests, it is the blue colored gemstone, a variety of the mineral corundum, colored blue by trace amounts of titanium and iron, which ranges from a light blue shade to a very dark blue.
Refractive Index: 1.762 to 1.770
Mohs Hardness: 9
Size: Calibration 4x3 to 10x8 and then Free-Size
Shapes: Ovals, Octagons, Pear, Rounds, Marquise, Baguette, Heart.
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Al Khor Street, Gold Souq Deira,
Dubai, United Arab Emirates
+971 56 163 1100
+971 56 6787706