0.48 Ct. Good Cutting Octagon Natural Gem Green Tourmaline Nigeria
Price: $6.21
Product ID: 807249281
Product Name: Tourmaline
Price : $6.21
Weight: 0.48
Jewelry Size: 8.2 x 3 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