5.15 Ct. Clean Octagon Shape Natural Gem Green Tourmaline Nigeria
Price: $479.35
Product ID: 807236703
Product Name: Tourmaline
Price : $479.35
Weight: 5.15
Jewelry Size: 11 x 8.9 x 5.2 Mm
Shape: Octagon
Color: Green
Clarity: IF
Luster: Very 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