2.78 Ct. Oval Shape Natural Green Tourmaline Unheated
Price: $44.67
Product ID: 807232606
Product Name: Tourmaline
Price : $44.67
Weight: 2.78
Jewelry Size: 8.7 x 7.5 x 5.9 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