3.43 Ct. Natural Gem Octagon Shape Green Tourmaline Unheated
Price: $36.75
Product ID: 807238010
Product Name: Tourmaline
Price : $36.75
Weight: 3.43
Jewelry Size: 8.6 x 7 x 5.6 Mm
Shape: Octagon
Color: Green
Clarity: SI
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