1.74 Ct. Clean Natural Gemstone Square Shape Green Tourmaline Nigeria
Price: $46.59
Product ID: 807242325
Product Name: Tourmaline
Price : $46.59
Weight: 1.74
Jewelry Size: 6.3 x 6 x 4.9 Mm
Shape: Square
Color: Green
Clarity: IF
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