Product ID: 807154557
Product Name: Blue Topaz
Price : $6.48
Weight: 1.62
Jewelry Size: 8.1 x 6.3 x 4.2 Mm
Shape: Oval
Color: Swiss Blue
Clarity: SI
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