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Mineralpedia Details for Allanpringite

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Allanpringite

Allanpringite

Named to honor Australian mineralogist Dr. Allan Pring. Allanpringite is a ferric iron phosphate that is found only at the type locality at Grube Mark near Essershausen in Hesse, Germany. It is closely related to wavellite and is associated with beraunite, cacoxenite, strengite, and cryptomelane. It appears as pale yellow-brown acicular crystals that are intergrown into bundles.

Ref. Kolitsch, U. et al. and the European Journal of Mineralogy 18 (2006), 793

Formula
Fe3+3(PO4)2(OH)3ยท5H2
Crystal System
Monoclinic 
Crystal Habit
Acicular 
Cleavage
Perfect, Good 
Luster
Vitreous (Glassy) 
Color
pale brownish yellow 
Streak
pale yellowish white 
Class
Monoclinic - Prismatic 
Hardness
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Allanpringite from Mark Mine, Esserhausen, Wielburg, Hesse, Germany

Allanpringite
            from Mark Mine, Esserhausen, Wielburg, Hesse, Germany

Dr. Allan Pring is a solid state chemist at the South Australian Museum. He also curator of the mineralogy collection. The museum has been in existence since the mid 1800's and boast a systematic collection of over 30,000 specimens much of this thanks to Dr. Pring. Allan has published several papers on mineral chemistry and discovered the mineral Mawbyite. The specimen contains a small 1mm crystal section attached to matrix with associated Cacoxenite.

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