1.66 Ct. Lovely Natural London Blue Topaz Oval Shape Gemstone
Price: $5.99
Product ID: 807153376
Product Name: Blue Topaz
Price : $5.99
Weight: 1.66
Jewelry Size: 7.4 x 6.6 x 4.5 Mm
Shape: Oval
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