Greenish Blue Tourmaline 1.35 Ct. Clean Octagon 13 x 3.8 Mm Natural Gem Unheated
Price: $157.84
Product ID: 807234650
Product Name: Tourmaline
Price : $157.84
Weight: 1.35
Jewelry Size: 13 x 3.8 x 2.8 Mm
Shape: Octagon
Color: Greenish 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
