2.60 Ct. Clean Octagon Natural Gem Bi Color Tourmaline
Price: $125.75
Product ID: 807231263
Product Name: Tourmaline
Price : $125.75
Weight: 2.60
Jewelry Size: 10.6 x 5.4 x 4.6 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