Product ID: 107208664
Product Name: Tourmaline
Price : $564.11
Weight: 10.53
Jewelry Size: 9.58 X 13.91 X 7.93 Mm
Shape: Octagon
Color: Green
Clarity: IF
Luster: Very 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