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LOOSE FACETED RUBY                                          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.
1.64 cts. Oval ruby single
         
1.64 carats ruby gemstone, transparent gems, exclusive loose faceted rubies, gemstones shopping   x Pieces: 1 Ruby x x Type: Genuine
 
  Color: Purple-Red   Shape: Oval faceted
                 
  Weight: 1.64 Carats   Size: 7.9 x 6.1 mm.
 
  Clarity: Very slightly included.   Luster: Good
 
  Treatment: Heated (H)   Origin: Madagascar Ilakaka
We use a  microscopic photography    Refr. Index: 1.76-1.78   Hardness 9
system. The actual gemstone is smaller than the images shown. Depth: 4.1 mm.
 Shot under electric lighting 

Stone Price:  USD 880.00

ref:RUpo164  

      

                            
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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
Hardness: 9 Ruby discovery
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78 Corundum data
Chemical Composition: Al2O3, Aluminum Oxide   Ask a question
Crystal Structure: Trigonal
  Ruby Mine Discovery
 
 
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