Good Cutting 21.28 Ct. Clean Oval Shape Natural Gem Swiss Blue Topaz
Price: $144.87
Product ID: 807164979
Product Name: Blue Topaz
Price : $144.87
Weight: 21.28
Jewelry Size: 18.3 x 13.6 x 11.5 Mm
Shape: Oval
Color: Blue
Clarity: IF
Luster: Very 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
