Unheated 2.18 Ct. Octagon Cut Natural Gem Green Tourmaline
Price: $30.36
Product ID: 807238174
Product Name: Tourmaline
Price : $30.36
Weight: 2.18
Jewelry Size: 9.4 x 6 x 4.1 Mm
Shape: Octagon
Color: Green
Clarity: SI
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