1.42 Ct. Natural London Blue Topaz Gemstone Octagon Shape Brazil
Price: $5.99
Product ID: 807153331
Product Name: Blue Topaz
Price : $5.99
Weight: 1.42
Jewelry Size: 7.3 x 6 x 3.4 Mm
Shape: Octagon
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