Product ID: 807153371
Product Name: Blue Topaz
Price : $5.99
Weight: 0.87
Jewelry Size: 6.5 x 5.2 x 2.6 Mm
Shape: Octagon
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