1.86 Ct. 2 Pcs. Good Natural Gem London Blue Topaz Oval Shape From Brazil
Price: $11.37
Product ID: 807167557
Product Name: Blue Topaz
Price : $11.37
Weight: 1.86
Jewelry Size: 7.2 x 5 x 3.4 Mm
Shape: Oval
Color: 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