London Blue Topaz 3.67 Ct. VVS Round Concave Cut 10 Mm. Natural Gemstone Brazil
Price: $90.40
Product ID: 807146467
Product Name: Blue Topaz
Price : $90.40
Weight: 3.67
Jewelry Size: 10 x 10 x 5.8 Mm
Shape: Round Concave Cut
Color: London 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
