Rosenbergite

Rosenbergite is a mineral with the chemical formula AlF3·3H2O. It is a trihydrate of aluminium fluoride.

Rosenbergite
Rosenbergite.jpg
General
CategoryMineral
Formula
(repeating unit)
AlF3·3H2O
Crystal systemTetragonal
Crystal class4
Space groupP4/n (no. 85)
Identification
Mohs scale hardness3–3.5


It is colorless. Its crystals are tetragonal to dipyramidal. It is named after Philip E. Rosenberg, a United States geochemist. It is found in the Celtine Mine in Tuscany, Italy and Mount Erebus, Ross Island, Antarctica. It is not radioactive. Rosenbergite is rated 3–3.5 on the Mohs Scale. 


This article uses material from the Wikipedia article
 Metasyntactic variable, which is released under the 
Creative Commons
Attribution-ShareAlike 3.0 Unported License
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