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LOOSE ANDALUSITE                   NATURAL COLOR             Hardness 7.5
Online Certificate
RETURN TO »»  ANDALUSITE
18.83 cts. Oval Andalusite faceted single ( Very rare )
  x Pieces: 1 Andalusite x Type: 100% Natural
 
  Color: yellowish-brown-orange   Shape: Oval
                 
  Weight: 18.83 Carat   Size: 19.9 x 13.2 x 11.4 mm
 
  Clarity: NFL   Luster: Excellent
 
  Treatment: None (N)   Origin: Madagascar
For collectors   Refr. Index: 1.629-1.648   Hardness 7.5
 
 Depth:6.8 mm.
                                                      
Stone Price:  USD 19800.00

ref:Ando1883 

  

 

 

     The rough crystal of this stone weighed 67.40 cts.

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.
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   Hardness: 7.
   Specific Gravity: 3.11 - 3.22
   Refractive Index: 1.629 - 1.638 & 1.633 - 1.645  & 1.639 - 1.648
   Chemical Composition: Al2 (O¦SiO4)
   Crystal Structure: Orthorombic
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