2.53 Ct. Clean Octagon Shape Gem Natural Green Tourmaline Unheated
Price: $95.70
Product ID: 807215034
Product Name: Tourmaline
Price : $95.70
Weight: 2.53
Jewelry Size: 6.4 x 8.8 x 4.9 Mm
Shape: Octagon
Color: Green
Clarity: IF
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