6.57 Ct. Very Good 12 x 10 Mm. Oval Natural Swiss Blue Topaz Gemstone
Price: $66.28
Product ID: 807161212
Product Name: Blue Topaz
Price : $66.28
Weight: 6.57
Jewelry Size: 12 x 10 x 7.5 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
