0.77 Ct. Oval Shape Natural Gem Green Tourmaline Unheated
Price: $32.97
Product ID: 807246288
Product Name: Tourmaline
Price : $32.97
Weight: 0.77
Jewelry Size: 6.4 x 5 x 3.6 Mm
Shape: Oval
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