Good Cutting 0.86 Ct. Octagon Natural Gem Bi Color Tourmaline Nigeria
Price: $36.45
Product ID: 807246045
Product Name: Tourmaline
Price : $36.45
Weight: 0.86
Jewelry Size: 6.4 x 5 x 3 Mm
Shape: Octagon
Color: Bi Color
Clarity: VSI
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
