1.67 Ct. Nice Oval Natural Gemstone London Blue Topaz Size 9 x 7 Mm.
Price: $10.04
Product ID: 807160905
Product Name: Blue Topaz
Price : $10.04
Weight: 1.67
Jewelry Size: 9 x 7 x 3.8 Mm
Shape: Oval
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