pezzotaite
pezzottaite crystal from Madagascar
pink pezzottaite from Madagascar oval cut
liquid like inclusions, growing tube patterns and fractures
liquid like inclusions and tubes
liquid inclusions and tube
CHEMICAL CHARACTERISTICS
Cs(Be2Li)Al2[Si6O18]
aluminum, lithium, cesium and beryllium cyclosilicate
PHYSICAL CHARACTERISTICS
Main color
pink
Other colors
red
its color is due to caesium
Color of streak
white
Luster
vitreous
Hardness
8.0 to 0.0
Density
2.90 to 3.10
Cleavage
indistinct
Fracture
conchoidal
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.608 - 1.615
Double refraction
0.007
very weak, uniaxial (-)
visible double refraction
No
Dispersion
-
Pleochroism
strong
Number of colors
2
orange - red, purple
pezzottaite spectrum system
Fluorescence
none
CRYSTALS PROPERTIES
pseudo-hexagonal massive
crystals system
trigonal
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It is found at the Sakavalana mine, near Ambatovita in the region of Fianarantsoa in Madagascar but also in Afghanistan (in the Nuristan region and Ningharar).
use in jewelry
collection stone of a beautiful color, its hardness would allow the use in jewelry. It is cut faceted or cabochon when of gem quality, with a nice effect in its varieties of a beautiful translucent pink.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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