0.79 Ct. Octagon Shape Natural Blue Indicolite Tourmaline Gem Unheated
Price: $39.07
Product ID: 807239902
Product Name: Tourmaline
Price : $39.07
Weight: 0.79
Jewelry Size: 6.2 x 4.2 x 3.2 Mm
Shape: Octagon
Color: Blue Indicolite
Clarity: SI
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