Product ID: 803803991
Product Name: Iolite
Price : $12.61
Weight: 1.73
Jewelry Size: 8.6 x 7.5 x 5.1 Mm
Shape: Oval
Color: Violet Blue
Clarity: SI1
Luster: Good
Origin: Madagascar
Treatment: Unheated
Crystal Structure: Orthorhombic
Hardness: 7 - 7.5
Specific Gravity: 2.3
Refractive Index: 1.52 - 1.57
Chemical: Mg2Al4Si5O18, Magnesium Aluminum Silicat