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LOOSE PINK TOURMALINE        NATURAL COLOR       Hardness 7.5  
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RETURN TO »» PINK TOURMALINE
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, marble and schists, placers.
Coloured tourmalines are related to sodolithic pegmatites.
One distinguishes two principal types of tourmalines: the hexagonal type and the triangular one.
9.50 cts. Pear pink tourmaline single
x Pieces: 1 Tourmaline x x Type: 100% Natural
Color: Pink Shape: Pear faceted
Weight: 9.50 Carats Size: 20.7 x 11.2 mm.
Clarity: SI1 Luster: Excellent
Treatment: None (N) Origin: Madagascar
We use a  microscopic photography  Refr. Index: 1.62-1.64 Hardness 7.5
system. The actual gemstone is smaller than the images shown.
                                                      
Stone Price:  USD 2927.00 

ref:PiTod950

 

   Depth:7.1 mm.
   
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