Unheated 2.85 Ct. Cushion Shape Natural Green Tourmaline Gem
Price: $187.22
Product ID: 807232452
Product Name: Tourmaline
Price : $187.22
Weight: 2.85
Jewelry Size: 9.2 x 7.3 x 5 Mm
Shape: Cushion
Color: Green
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