Product ID: 807246761
Product Name: Tourmaline
Price : $30.24
Weight: 0.70
Jewelry Size: 5.9 x 5.1 x 3.4 Mm
Shape: Oval
Color: Yellow
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