0.29 Ct. Attractive Natural Gem Bi Color Tourmaline Octagon Shape
Price: $9.96
Product ID: 807241097
Product Name: Tourmaline
Price : $9.96
Weight: 0.29
Jewelry Size: 4.8 x 3 x 2 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