Unheated 2.51 Ct. Clean Octagon Natural Gem Blue Indicolite Tourmaline
Price: $198.24
Product ID: 807246649
Product Name: Tourmaline
Price : $198.24
Weight: 2.51
Jewelry Size: 19.1 x 3.9 x 3.1 Mm
Shape: Octagon
Color: Blue Indicolite
Clarity: IF
Luster: Very 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