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IOLITE                          NATURAL COLOR                      Hardness 7.25
Online Certificate

10.18 cts. Iolite oval single 

 17.1 x 13 x 8.1 mm.

Very slightly included. Enhancement: none (N) Untreated

stone PRICE  


ORIGIN: Madagascar


This is a virtual certificate compiled from the lab data for the gemstone being examined. Clarity is based on magnification
under a 10X corrected loupe. All gemology performed by GGGems. Jean & Alain Darbellay guaranteeing that this stone  
                        is 100% natural. Prices and availability are subject to change without notice.
Color: Top Tanzanite Purple Blue
Clarity: Very slightly included.
Luster: Good Luster
Origin: Madagacar
Hardness: 7 - 7.5
Specific Gravity: 2.3
Refractive Index: 1.52 - 1.57   Visual Catalog
Chemical Composition: Mg2Al4Si5O18, Magnesium Aluminum Silicate   Cutting Styles
Crystal Structure Orthorhombic   Ask a question
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