Bi Color Tourmaline 2.22 Ct. Octagon Shape 8.3 x 5.1 Mm. Natural Gem Unheated
Price: $118.92
Product ID: 807238281
Product Name: Tourmaline
Price : $118.92
Weight: 2.22
Jewelry Size: 8.3 x 5.1 x 4.8 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
