Green Tourmaline 2.17 Ct. Octagon 10.1 x 5 x 4.6 Mm. Natural Gemstone Nigeria
Price: $58.52
Product ID: 807234342
Product Name: Tourmaline
Price : $58.52
Weight: 2.17
Jewelry Size: 10.1 x 5 x 4.6 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
