0.65 Ct. Lovely Octagon Natural Gem Green Tourmaline Unheated From Nigeria
Price: $6.90
Product ID: 807249741
Product Name: Tourmaline
Price : $6.90
Weight: 0.65
Jewelry Size: 7 x 4 x 2.6 Mm
Shape: Octagon
Color: Green
Clarity: VSI
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