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IOLITE                          NATURAL COLOR                      Hardness 7.25
Online Certificate
  21.12 carats oval iolite gemstone, blue gems, exclusive loose faceted iolites, gemstones shopping

21.13 cts. Iolite oval Single 

 23.8 x 15.6 mm.

 Slightly included.   Enhancement: none (N)

         stone PRICE     


ORIGIN: Madagascar

ref:Ioo 2113

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: Clean
Luster: Exceptional 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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