0.57 Ct. Nice Octagon Shape Natural Gem Green Tourmaline Nigeria
Price: $6.81
Product ID: 807247818
Product Name: Tourmaline
Price : $6.81
Weight: 0.57
Jewelry Size: 7.4 x 3.6 x 2.2 Mm
Shape: Octagon
Color: Green
Clarity: VVS
Luster: Good
Origin: Nigeria
Treatment: Unheated
Crystal Structure: Trigonal
Hardness: 7 - 7.5
Specific Gravity: 3.0+
Refractive Index: 1.62 - 1.68
Chemical: Na(Li,Al)3Al6(B03)3 Si6O18(OH)4