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VIOLET SAPPHIRE           NATURAL COLOR             Hardness 9
 
Online Certificate
RETURN TO VIOLET SAPPHIRE

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.
1.55 cts. Round violet sapphire single
         
  x Pieces: 1 Sapphire x x Type: 100% Natural
 
  Color: Violet   Shape: Round faceted
                 
  Weight: 1.55 Carats   Size: 6.9 mm
 
  Clarity: FL   Luster: Excellent
 
  Treatment: None (N)   Origin: Madagascar
Image light source:Image light source:   Refr. Index: 1.76-1.78   Hardness 9
Electric lighting
  Untreated in any way.

Stone Price: USD 2015.00

ref:SAvtr 155

     

 

 

 

 

  Depth: 4.5 mm.

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  
   
Exceptional --
           Gem-O-Scope  Very fine --   
Fine --
Good --
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- Scale determining the purity of a stone.  -
FL NFL SI1 SI2 MI1
Flaw less Near flaw less Slightly included 1 Slightly included 2 Medium included 1
-------------------------------------------------------------------------------------------------------------------------------------------------------------------
MI2 MI3 VI1 VI2 HI
Medium included 2 Medium included 3 Very included 1 Very included 2 Highly included
 
 
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