London Blue Topaz 6.71 Ct Clean Oval Shape 13.9 x 9.8 Mm Natural Gemstone Brazil
Price: $75.60
Product ID: 807165525
Product Name: Blue Topaz
Price : $75.60
Weight: 6.71
Jewelry Size: 13.9 x 9.8 x 6 Mm
Shape: Oval
Color: London 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
