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1.53ct Biron Hydrothermal Emerald Lab Created Loose Stone
Properties: - Chemical formula - Be3Al2(SiO3)6- Crystal system - Hexagonal- Hardness (Mohs) - 7.5- Density, g/cm3 - 2.7- Refractive Index - 1.570-1.577- Growth Method - Hydrothermal - Chelsea Filter - Green (Colombian Color) Red (Regular Color)