2.62 Ct. Oval Natural Brownish Green Tourmaline Unheated
Price: $61.75
Product ID: 807234270
Product Name: Tourmaline
Price : $61.75
Weight: 2.62
Jewelry Size: 9.4 x 8.2 x 4.6 Mm
Shape: Oval
Color: Brownish 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