Green Tourmaline 1.57 Ct. VS Octagon 6.4 x 5.9 Mm. Natural Unheated Gemstone
Price: $12.00
Product ID: 807226093
Product Name: Tourmaline
Price : $12.00
Weight: 1.57
Jewelry Size: 6.4 x 5.9 x 4.6 Mm
Shape: Octagon
Color: Green
Clarity: VS
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
