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SET HESSONITE GARNET     NATURAL COLOR       Hardness 7.25 - 7.5  
Online Certificate
RETURN TO »»   SET HESSONITE GARNET  
Hessonite chemical composition is Ca3Fe3Al2(SiO4)3 it is a Grossular Garnet.
Crystaline system: cubic.
This garnet known for a very long time, and which enjoyed a great popularity in the 19th century under the reign of the Victoria queen, is a irony-grossularite, it is thus rich in iron and present a structure in mosaic. Its granulous appearance is due to endogenetic and structural characteristics.
Also known as Gomed.
30.09 cts. Set octagon Natural Hessonite garnet single
  x Pieces: 4 Hessonites x Type: 100% Natural
 
  Color: Orange-Cinnamon   Shape: Octagon faceted
                 
  Weight: 30.09 Carats   Size: 15.7 x 7.2 mm. & 18.5 x 9.4 mm.
 
  Clarity: SI1   Luster: Excellent
 
  Treatment: None (N)   Origin: Madagascar
We use a  microscopic photography system.   Refr. Index: 1.738-1.745   Hardness 7.5
The actual gemstone is smaller than the images shown. Depth: 5.6 & 6.3 & 5.5  mm.
 
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.
Set Price: USD 3119.00

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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
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MI2 MI3 VI1 VI2 HI
Medium included 2 Medium included 3 Very included 1 Very included 2 Highly included
 
 
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