Product ID: 807237126
Product Name: Tourmaline
Price : $481.66
Weight: 3.45
Jewelry Size: 9.4 x 8.7 x 6.1 Mm
Shape: Oval
Color: Blue Indicolite
Clarity: VVS
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