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RUBELLITE                     NATURAL COLOR                     Hardness 7.5  
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Tourmaline chemical composition is (Na, Li,Ca) (Fe2, Mg, Mn, Al)3 Al6 I(OH)4 I (BO3)3ISi6O18I .
Crystaline system: Trigonal.
Occurences: In the acid magmatic rocks and associated pegmatites, limestones and schists, placers.
Coloured tourmalines are related to sodolithic pegmatites.
One distinguishes two principal types of tourmalines: the hexagonal type and the triangular one.
1.96 cts. Oval rubellite tourmaline single

x Pieces: 1 Rubellite x x Type: 100% Natural
Color: Red-ruby Shape: Oval faceted
Weight: 1.96 Carats Size: 9.7 x 7.1 mm.
Clarity: SI1 Luster: Good
Treatment: None (N) Origin: Madagascar
We use a  microscopic photography system. Refr. Index: 1.62-1.64 Hardness 7.5
The actual gemstone is smaller than the images shown.
 
Stone Price: 493.00 

ref:Tro 196 

Depth:4.1 mm.

   
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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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