Unheated 2.37 Ct. Octagon Natural Gem Green Tourmaline
Price: $72.22
Product ID: 807228407
Product Name: Tourmaline
Price : $72.22
Weight: 2.37
Jewelry Size: 8.1 x 6.5 x 5.2 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