This polycrystalline/ceramic spinel is created using the Hot Isostatic Pressing (HIP) process. HIP spinel for gemstones is created under intense heat and pressure in an inert gas environment. This process enhances its clarity, color, and durability, making it ideal for crafting high-quality gemstones prized for their beauty and resilience 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: Vibrant Cobalt Blue Note: The color of the stone in the photo may vary slightly as not all computer monitors are calibrated the same. Mineral: SpinelChemical Formula: MgAl2O4Crystal System: CubicHardness (Mohs): 8Refractive Index: 1.718Density, g/cm3: 3.58Dispersion: 0.020Growth Method: Hot Isostatic Pressing
