0.53 Ct. Octagon Shape Natural Gem Green Tourmaline Sz 11 x 3 Mm.
Price: $7.14
Product ID: 807248677
Product Name: Tourmaline
Price : $7.14
Weight: 0.53
Jewelry Size: 11 x 3 x 1.6 Mm
Shape: Octagon
Color: 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