Green Emerald 0.20 Ct. Octagon Shape 4 x 3.3 Mm. Natural Gem Columbia Unheated
Price: $99.84
Product ID: 802401212
Product Name: Emerald
Price : $99.84
Weight: 0.20
Jewelry Size: 4 x 3.3 x 2.3 Mm
Shape: Octagon
Color: Green
Clarity: SI
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