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 SAPPHIRINE                NATURAL COLOR                    Hardness 7.5

RETURN TO SAPPHIRINE MATRIX

Sapphirine on matrix  with scapolite112gr. 59 x 46 mm.  individual crystal: 16 x 11 mm. Origin Madagascar

 SOLD 

ref: SAppm112g 

Hardness: 7.5 / Refractive index: 1.71 / Density varying from 3.40 to 3.58 / Mg2Al4[O6|SiO4]

Sapphirine:  Monoclinical magnesium aluminosilicate of dark blue color.  Clear pseudo hexagonal contour.  This mineral indicates a granulite facies, and appears in amphibolites, associated with corundum, but it also meets in aluminous and magnesian metamorphized rocks, low in silica.

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