Rosenbergite
A variety of Minerals
What is Rosenbergite?
Rosenbergite is a mineral with the chemical formula AlF3·3H2O. It is a trihydrate of aluminium fluoride. 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.
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Rosenbergite Localities Map
See where Rosenbergite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Colorless
- Hardness (Mohs)
- 3 - 3.5
- Density
- 2.111 g/cm³
- Streak
- Colroless
Chemical Properties
- Chemical Formula
- AlF[F0.5(H2O)0.5]4·H2O May also be given as AlF3·3H2O.
- Elements
- Al, F, H, O
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