Unheated 4.77 Ct. Good Cutting Octagon Natural Bi Color Tourmaline
Price: $1,327.50
Product ID: 807226838
Product Name: Tourmaline
Price : $1327.50
Weight: 4.77
Jewelry Size: 8.8 x 7.8 x 7.2 Mm
Shape: Octagon
Color: Bi Color
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
