1.67 Ct. Round Natural London Blue Topaz Brazil Gem
Price: $6.68
Product ID: 807145712
Product Name: Blue Topaz
Price : $6.68
Weight: 1.67
Jewelry Size: 7.1 x 7.1 x 4.7 Mm
Shape: Round
Color: London Blue
Clarity: SI
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