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About
Group Parent: 
Type Locality
Huber Stock, Krásno , Horní Slavkov, Bohemia, Czech Republic
Mineral Data
Fe2+Fe23+ Al3(PO4)4(OH)5(H2O)4·2H2O
Isostructural with: 
Beraunite
Physical Properties
Colour: 
Silvery to olive-greyish-green
Crystal System: 
Monoclinic
Streak: 
Greyish-white
Hardness: 
3 - 4
Tenacity: 
Very brittle
Synonyms
Synonyms: 
IMA2014-082
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