Product ID: 807232441
Product Name: Tourmaline
Price : $208.68
Weight: 4.86
Jewelry Size: 14 x 7.1 x 4.9 Mm
Shape: Octagon
Color: Lime Green
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