Djeva Dark Ruby Red #6 Lab Created Corundum Sapphire Faceting Rough for Gem Cutting - DISCONTINUED - Various Sizes - Split Boule

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Various sizes of discontinued Djeva made Dark Ruby Red lab created sapphire/corundum rough for faceting and gemstone creation.. The Swiss company Djeva, is no longer producing any lab created corundum. As such, Djeva made corundum will become more and more difficult to come by. Get yours while it lasts. Each split boule is listed for sale by weight and will typically vary in size within the following ranges: Length: 50mm - 75mmWidth: 14mm - 18mmThickness: approximately 6-9mm at the base If you would like to see additional pictures of the piece(s) you would like, please feel free to contact me and I will be happy to provide additional pictures for you to review. Manufacturer: DjevaColor: #6 Created using the Verneuil process. Note: The color of the stone in the photo may vary slightly as not all computer monitors are calibrated the same. Mineral: CorundumChemical Formula: Al2O3Crystal System: TrigonalHardness (Mohs): 9Refractive Index: 1.76–1.77Density, g/cm3: 4Dispersion: 0.018Growth Method: Flame Fusion Show more