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Posnjakite from
Cretaio, Prata, Massa Marittima, Grosseto Province, Tuscany, Italy

Classification
Species:Posnjakite
Formula:Cu4(SO4)(OH)6 · H2O
Confirmation
Validity:Believed Valid
References
References:Bardi, T., Bazzoni, C., Bernocchi, M., Betti, C., Biagioni, C., D'Orazio, M. & Pagani, G. (2017) Cretaio. La vecchia ricerca cuprifera presso Prata, Massa Marittima (GR). Rivista Mineralogica Italiana, 41, 104-118.
Data
Mineral Data:Click here to view Posnjakite data
Locality Data:Click here to view Cretaio, Prata, Massa Marittima, Grosseto Province, Tuscany, Italy
Nearest other occurrences of Posnjakite
38.9km (24.2 miles) Baratti slag locality, Piombino, Livorno Province, Tuscany, Italy
44.9km (27.9 miles) Cetine di Camporbiano Mine (Le Cetine; Cetine di Volterra; Cetine di Gambassi), Podere Giuseppe, Gambassi Terme, Metropolitan City of Florence, Tuscany, Italy
 
Mineral and/or Locality  
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