Green Emerald 0.64 Ct. Octagon Shape 5.5 x 4.3 Mm. Natural Gemstone Unheated
Price: $68.56
Product ID: 802403156
Product Name: Emerald
Price : $68.56
Weight: 0.64
Jewelry Size: 5.5 x 4.3 x 3.9 Mm
Shape: Octagon
Color: Green
Clarity: SI1
Luster: Good
Origin: Columbia
Treatment: Unheated
Crystal Structure: Hexagonal
Hardness: 7.5 - 8
Specific Gravity: 2.67 - 2.84
Refractive Index: 1.56 - 1.59
Chemical: Be3Al2(SiO3)6, Beryllium Aluminum Silica