Czochralski sapphire, is lab grown using a precise method to pull a single crystal from a molten alumina melt, is a top choice for gem cutting. Its high purity and uniform crystal structure yield exceptional clarity and brilliance, resembling natural sapphire. Ideal for creating stunning gemstones, it offers durability, scratch resistance, and vibrant color, making it a prized material in the world of jewelry design. With the dichroic nature of sapphire the shade of the stone may be different through the each of the axis. Pick the one you like best. The faceted gem is for example only, and is not included. 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. Manufactured in ChinaColor: Medium Blue Sapphire 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: Czochralski
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