Bi Color Tourmaline 3.27 Ct. Octagon Shape 10 x 7.4 Mm Natural Gemstone Unheated
Price: $214.44
Product ID: 807237817
Product Name: Tourmaline
Price : $214.44
Weight: 3.27
Jewelry Size: 10 x 7.4 x 4.5 Mm
Shape: Octagon
Color: Bi Color
Clarity: SI
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
