Natural Gem 2.77 Ct. Octagon Shape Green Tourmaline Unheated
Price: $44.52
Product ID: 807236536
Product Name: Tourmaline
Price : $44.52
Weight: 2.77
Jewelry Size: 7.8 x 7.6 x 5.1 Mm
Shape: Octagon
Color: Green
Clarity: VVS
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
