Product ID: 807232847
Product Name: Tourmaline
Price : $8.61
Weight: 0.52
Jewelry Size: 4.7 x 4.3 x 3 Mm
Shape: Octagon
Color: Orangish Pink
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