0.64 Ct. Good Octagon Natural Gem Green Tourmaline From Nigeria
Price: $10.11
Product ID: 807248064
Product Name: Tourmaline
Price : $10.11
Weight: 0.64
Jewelry Size: 6.5 x 4 x 2.8 Mm
Shape: Octagon
Color: Green
Clarity: SI1
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