7.25 Ct. Good Cutting Oval Shape Natural Gem London Blue Topaz
Price: $81.36
Product ID: 807165561
Product Name: Blue Topaz
Price : $81.36
Weight: 7.25
Jewelry Size: 14 x 10 x 6.3 Mm
Shape: Oval
Color: 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