Schitterende Heldere Peervormige Gefaceteerde Aquamarijn ± 0.20 CT. 5x3 mm uit Tanzania Color: Best Swimming Pool Blue Clarity: Clean Luster: Blazing Origin: A New Mine In Tanzania Hardness: 7.5 - 8 Specific Gravity: 2.67 - 2.84 Refractive Index: 1.57 - 1.60 Chemical Composition: Be3Al2(SiO3)6, Beryllium Aluminum Silicate Crystal Structure: Hexagonal
