0.55 Ct. Clean Octagon Shape Natural Gem Green Tourmaline Unheated
Price: $9.12
Product ID: 807247055
Product Name: Tourmaline
Price : $9.12
Weight: 0.55
Jewelry Size: 7 x 3.1 x 2.4 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