2.28 Ct. Natural Green Tourmaline Octagon Shape Unheated Nigeria
Price: $61.07
Product ID: 807235686
Product Name: Tourmaline
Price : $61.07
Weight: 2.28
Jewelry Size: 11.4 x 5.2 x 3.8 Mm
Shape: Octagon
Color: Green
Clarity: 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