Certified Violetish Blue Tanzanite 1.36 Ct Oval Shape 7.39 x 6.70 Mm Natural Gem
Price: $145.68
Product ID: 807004418
Product Name: Tanzanite
Price : $145.68
Weight: 1.36
Jewelry Size: 7.39 x 6.70 x 3.75 Mm
Shape: Oval
Color: Violetish Blue
Clarity: VSI
Luster: Very Good
Origin: Tanzania
Treatment: Heated
Crystal Structure: Orthorhombic
Hardness: 6 - 7
Specific Gravity: 3.2 - 3.4
Refractive Index: 1.69 - 1.70
Chemical: Ca2Al3(SiO4)3(OH), Calcium Aluminum