Yellow Tourmaline 1.91 Ct. Oval Shape Unheated Natural Gemstone From Nigeria
Price: $30.69
Product ID: 807234925
Product Name: Tourmaline
Price : $30.69
Weight: 1.91
Jewelry Size: 7.1 x 6.4 x 5.1 Mm
Shape: Oval
Color: Yellow
Clarity: VVS
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
