Product ID: 803804257
Product Name: Iolite
Price : $5.26
Weight: 0.80
Jewelry Size: 7.2 x 5.8 x 3.8 Mm
Shape: Pear
Color: Violet Blue
Clarity: VVS
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