0.78 Ct. Attractive Octagon Natural Gem Bi Color Tourmaline Unheated
Price: $45.83
Product ID: 807240540
Product Name: Tourmaline
Price : $45.83
Weight: 0.78
Jewelry Size: 8.6 x 3.8 x 2.6 Mm
Shape: Octagon
Color: Bi Color
Clarity: SI
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
