0.32 Ct. Octagon Shape Natural Blue Indicolite Tourmaline Gem Unheated
Price: $32.00
Product ID: 807239824
Product Name: Tourmaline
Price : $32.00
Weight: 0.32
Jewelry Size: 6 x 3 x 1.8 Mm
Shape: Octagon
Color: Blue 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