Octagon Faceted AAA Lab Created Blue Sapphire #34 (5x3mm to 12x10mm)

Lab-created sapphires present a wonderful opportunity to include this much sought-after gemstone in your settings; at rock-bottom prices! Lab created sapphires are made of the same chemical components (corundum) that occur naturally in the creation of this incredibly fiery gem.

GEM TYPE: OCTAGON LAB CREATED BRIGHT BLUE SAPPHIRE (SYNTHETIC CORUNDUM)

QUANTITY: ONE

COMES IN SIZE: 5x3, 6x4, 7x5, 8x6, 9x7, 10x8, 11x9 & 12x10mm

CHEMICAL COMPOSITION: Al2O3
CRYSTAL STRUCTURE: HEXAGONAL
PURITY: 99.99%
REFRACTIVE INDEX: 1.717
DENSITY: 3.98-4.1 g/cm3
HARDNESS MOHS: 9
MANUFACTURING METHOD: VERNEUIL, ALSO CALLED FLAME FUSION

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