8.41 Ct. Blazing Octagon Shape Natural Gem Bi Color Tourmaline Unheated
Price: $1,937.31
Product ID: 807250054
Product Name: Tourmaline
Price : $1937.31
Weight: 8.41
Jewelry Size: 12.4 x 9.2 x 7 Mm
Shape: Octagon
Color: Bi Color
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