1.79 Ct. Natural Gemstone Oval Shape London Blue Topaz
Price: $11.28
Product ID: 807156619
Product Name: Blue Topaz
Price : $11.28
Weight: 1.79
Jewelry Size: 8.9 x 7.2 x 3.9 Mm
Shape: Oval
Color: London Blue
Clarity: SI1
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