Unheated 1.60 Ct. Natural Gem Blue Green Indicolite Tourmaline Octagon Shape
Price: $139.42
Product ID: 807239847
Product Name: Tourmaline
Price : $139.42
Weight: 1.60
Jewelry Size: 14.4 x 3.6 x 3 Mm
Shape: Octagon
Color: Blue Green Indicolite
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