3.79 Ct. Natural Round Concave Cut London Blue Topaz Gemstone
Price: $93.30
Product ID: 807146475
Product Name: Blue Topaz
Price : $93.30
Weight: 3.79
Jewelry Size: 9.7 x 9.7 x 6.2 Mm
Shape: Round Concave Cut
Color: London Blue
Clarity: VVS
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