Product ID: 807247441
Product Name: Tourmaline
Price: $12.72
Weight: 0.75 CT.
Size: 8.8 x 3.8 x 2.2 Mm.
Shape: Octagon
Color: Pink
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