Tourmaline Bi Color 2.07 Ct. Natural Gemstone Octagon Shape 8.7 x 5.3 Mm.
Price: $155.83
Product ID: 807238060
Product Name: Tourmaline
Price : $155.83
Weight: 2.07
Jewelry Size: 8.7 x 5.3 x 4.7 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
