5.90 Ct. Calibrate Size Octagon Natural Gem London Blue Topaz Brazil
Price: $32.60
Product ID: 807163661
Product Name: Blue Topaz
Price : $32.60
Weight: 5.90
Jewelry Size: 11 x 9 x 6 Mm
Shape: Octagon
Color: London Blue
Clarity: VSI
Luster: Good
Origin: Brazil
Treatment: Treated
Crystal Structure: Orthorhombic
Hardness: 8
Specific Gravity: 3.49 - 3.57
Refractive Index: 1.606 - 1.629
Chemical: Al2SiO4(F OH)2