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LOOSE FACETED BLUE SAPPHIRE     NATURAL COLOR     Hardness 9

RETURN TO »» NATURAL BLUE SAPPHIRE

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

oxide traces or inclusions. The color of sapphire, due to iron and titanium oxide, gives its best 
effect under daylight.  Electric light makes it often dark.
Gems are generally found in alluvium, but come either from basaltic slags, or from metamorphized marble.
1.00 cts.  Natural untreated pear blue sapphire single
         
1.00 carat Pear sapphire, untreated blue sapphires, exclusive loose faceted sapphire, natural sapphire shopping   x Pieces: 1 Sapphire x x Type: 100% Natural
 
  Color: Cornflower   Shape: Pear faceted
                 
  Weight: 1.00 Carats   Size: 12 x 5.1 mm.
 
  Clarity: Eye clean.   Luster: Excellent
 
  Treatment: None (N)   Origin: Madagascar
Tone: Dark.    Refr. Index: 1.76-1.78   Hardness 9
Good cut,there is no window.  Depth:3.6 mm.
Hand cut by one of our      Not treated in any way.
masters lapidaries.

Stone Price:  USD 480.00

ref:SAbpN100

  

1.00 carat Pear sapphire, untreated blue sapphires, exclusive loose faceted sapphire, natural sapphire shopping1.00 carat Pear sapphire, untreated blue sapphires, exclusive loose faceted sapphire, natural sapphire shopping

                                
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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
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78   Visual Catalog
Chemical Composition: Al2O3, Aluminum Oxide Corundum data
Crystal Structure: Trigonal    Cutting Styles
Sapphire Discovery   Ask a question
 
 
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