London Blue Topaz 7.35 Ct Clean Oval Shape 13.9 x 10 Mm. Natural Gemstone Brazil
Price: $82.40
Product ID: 807165522
Product Name: Blue Topaz
Price : $82.40
Weight: 7.35
Jewelry Size: 13.9 x 10 x 6.1 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
