Product ID: 803804507
Product Name: Iolite
Price : $14.82
Weight: 1.44
Jewelry Size: 7.7 x 7 x 4.7 Mm
Shape: Oval
Color: Blue
Clarity: VSI
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