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VIOLET SAPPHIRE           NATURAL COLOR             Hardness 9
Online Certificate

Chemical properties:  corundum is composed of pure alumina; its colouring is due to metallic

oxide traces or inclusions. The color of sapphire is due to iron and titanium oxide.
This violet sapphire gives its best effect under electric lighting.
Gems are generally found in alluvium, but come either from basaltic slags, or from metamorphized marble.
2.23 cts. Oval violet sapphire single
  x Pieces: 1 Sapphire x x Type: 100% Natural
  Color: Violet   Shape: Oval faceted
  Weight: 2.23 Carats   Size: 8.5 x 7.6 mm
  Clarity: SI1   Luster: Excellent
  Treatment: None (N)   Origin: Madagascar
Image light source: Daylight   Refr. Index: 1.76-1.78   Hardness 9
Stone Price: USD 4014.00 Untreated in any way.

ref:SAvio 223


Oval Violet sapphire gemstone, transparent gems, exclusive loose faceted sapphires, untreated gemstones shopping


 Violet sapphire gemstone, transparent gems, exclusive loose faceted sapphires, untreated gemstones shopping

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.
Hardness: 9
Specific Gravity: 3.9 - 4.1   Visual Catalog
Refractive Index: 1.76 - 1.78 Corundum data
Chemical Composition: Al2O3, Aluminum Oxide    Cutting Styles
Crystal Structure: Trigonal   Ask a question
Sapphire Discovery  
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- Scale determining the purity of a stone.  -
Flaw less Near flaw less Slightly included 1 Slightly included 2 Medium included 1
Medium included 2 Medium included 3 Very included 1 Very included 2 Highly included


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