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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.
0.64 cts. Emerald cut rubellite tourmaline single


  x Pieces: 1 Rubellite x x Type: 100% Natural
  Color: Red-ruby   Shape: Emerald cut
  Weight: 0.64 Carats   Size: 5.6 x 4.6 mm.
  Clarity: NFL   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.
                                                      Inclusions seen in photos will be less visible to the naked eye.
Stone Price: USD 200.00



Depth:3.3 mm.
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