1.81 Ct. Natural Oval Shape Green Tourmaline Gemstone Nigeria
Price: $32.97
Product ID: 807235564
Product Name: Tourmaline
Price : $32.97
Weight: 1.81
Jewelry Size: 7.9. x 6.6 x 5 Mm
Shape: Oval
Color: Green
Clarity: SI1
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