3.81 Ct. Octagon Shape Natural Bluish Green Tourmaline
Price: $199.55
Product ID: 807222398
Product Name: Tourmaline
Price : $199.55
Weight: 3.81
Jewelry Size: 8.2 x 8.2 x 6.1 Mm
Shape: Octagon
Color: Bluish Green
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