Bi Color Tourmaline 1.13 Ct. Octagon Shape 7 x 4.7 Mm. Natural Gemstone Unheated
Price: $36.71
Product ID: 807234246
Product Name: Tourmaline
Price : $36.71
Weight: 1.13
Jewelry Size: 7 x 4.7 x 3.4 Mm
Shape: Octagon
Color: Bi Color
Clarity: SI1
Luster: Beautiful
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
