0.66 Ct. Beautiful Octagon Natural Gem Green Tourmaline Unheated
Price: $8.16
Product ID: 807248877
Product Name: Tourmaline
Price : $8.16
Weight: 0.66
Jewelry Size: 8.6 x 3.8 x 2 Mm
Shape: Octagon
Color: Green
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