Product ID: 807228457
Product Name: Tourmaline
Price : $613.07
Weight: 4.87
Jewelry Size: 10.7 x 10.6 x 7.3 Mm
Shape: Pear
Color: Purplish Pink
Clarity: VSI
Luster: Very 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