Product ID: 807154722
Product Name: Blue Topaz
Price : $7.40
Weight: 1.29
Jewelry Size: 7.4 x 5.7 x 4.3 Mm
Shape: Oval
Color: Swiss Blue
Clarity: VSI
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