London Blue Topaz 47.13 Ct. Clean Cushion Checkerboard 22 x 18.5 Mm. Natural Gem
Price: $492.84
Product ID: 807156428
Product Name: Blue Topaz
Price : $492.84
Weight: 47.13
Jewelry Size: 22 x 18.5 x 12.8 Mm
Shape: Cushion Checkerboard
Color: London Blue
Clarity: IF
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