Product ID: 807247388
Product Name: Tourmaline
Price: $15.72
Weight: 0.74 CT.
Size: 6.3 x 4.1 x 3.1 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