Product ID: 807164963
Product Name: Blue Topaz
Price: $120.27
Weight: 17.59 CT.
Size: 17.2 x 12.3 x 10.5 Mm.
Shape: Oval
Color: Swiss Blue
Clarity: IF
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