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LOOSE ANDALUSITE                   NATURAL COLOR             Hardness 7.5
Online Certificate
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:   Enquire 



     The original rough crystal 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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