1.51 Ct. 5 Pcs. Round 4 mm. Natural Gems London Blue Topaz Brazil
Price: $9.81
Product ID: 807166870
Product Name: Blue Topaz
Price : $9.81
Weight: 1.51
Jewelry Size: 4 x 4 x 2.6 Mm
Shape: Round
Color: Blue
Clarity: VVS
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