0.66 Ct. Octagon Natural Gem Green Tourmaline From Nigeria
Price: $7.41
Product ID: 807247629
Product Name: Tourmaline
Price : $7.41
Weight: 0.66
Jewelry Size: 6.1 x 4.5 x 2.5 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