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LOOSE FACETED RUBY        NATURAL COLOR        Hardness 9

RETURN TO RUBY

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

oxide traces or inclusions. The color of RUBY, due to chromium oxide, gives its best 
effect under electric lighting.
Gems are generally found in alluvium, but come either from basaltic slags, or from metamorphized marble.
0.54 cts. Oval ruby single
         
  x Pieces: 1 Ruby x x Type: 100% Natural
 
  Color: Red   Shape: Oval faceted
                 
  Weight: 0.54 Carats   Size:  5.9 x 4.4 mm.
 
  Clarity: SI1   Luster: Good
 
  Treatment: None (N)   Origin: Madagascar
We use a  microscopic photography    Refr. Index: 1.76-1.78   Hardness 9
system. The actual gemstone is smaller than the images shown.
     Not treated in any way.     

Stone Price:  USD 299.00 

ref:RUo 054  

      

                       This picture has been shot under day light.
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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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