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Pezzotaite

>> Group(s) : beryls, silicates
See the pictures :

Discovered in 2002, it honors the name of the Italian mineralogist Federico Pezzotta, who discovered it in Madagascar.

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).

See pictures of the mines / other pictures

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.

Looking alike stones

rhodochrosite , rhodonite , sapphire , spinel , tourmaline

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

Density : 2.90 to 3.10

Cleavage : indistinct

Fracture : conchoidal

Optical properties

Transparency : transparent, translucent

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

pezzottaite spectrum system

Fluorescence : none

Crystals

Pseudo-hexagonal massive

cristaux

Crystal system : trigonal

Other informations
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