Product ID: 807240528
Product Name: Tourmaline
Price : $15.00
Weight: 0.70
Jewelry Size: 6.2 x 5.2 x 3.7 Mm
Shape: Oval
Color: Pink
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