4.76 Ct. Octagon Cutting Natural Green Tourmaline Unheated
Price: $61.20
Product ID: 807235108
Product Name: Tourmaline
Price : $61.20
Weight: 4.76
Jewelry Size: 9 x 8.9 x 6.1 Mm
Shape: Octagon
Color: Green
Clarity: VVS-VSI
Luster: 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