Unheated 2.49 Ct. Octagon Natural Gem Green Tourmaline Nigeria
Price: $32.04
Product ID: 807239769
Product Name: Tourmaline
Price : $32.04
Weight: 2.49
Jewelry Size: 7.5 x 6.8 x 5.3 Mm
Shape: Octagon
Color: Green
Clarity: VVS
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