Product ID: 807153325
Product Name: Blue Topaz
Price : $5.99
Weight: 1.23
Jewelry Size: 6.5 x 5.7 x 4.4 Mm
Shape: Oval
Color: London 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