0.68 Ct. Good Cutting Natural Gem Green Tourmaline Octagon Shape
Price: $9.06
Product ID: 807247292
Product Name: Tourmaline
Price : $9.06
Weight: 0.68
Jewelry Size: 10.3 x 2.9 x 2.3 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