1.69 Ct. Octagon Natural Green Tourmaline Unheated Gem
Price: $33.29
Product ID: 807224870
Product Name: Tourmaline
Price : $33.29
Weight: 1.69
Jewelry Size: 6.8 x 6.3 x 4.8 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