8.11 Ct. Clean Octagon Shape Natural Bi Color Tourmaline Gemstone
Price: $2,630.74
Product ID: 807241061
Product Name: Tourmaline
Price : $2630.74
Weight: 8.11
Jewelry Size: 12.8 x 10 x 7.1 Mm
Shape: Octagon
Color: Bi Color
Clarity: IF
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