Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Prehnite from
Sant'Agostino, Coli, Piacenza Province, Emilia-Romagna, Italy


06715430017362712831681.jpg
Prehnite

Sant'Agostino, Coli, Piacenza Province, Emilia-Romagna, Italy
06715430017362712831681.jpg
Prehnite

Sant'Agostino, Coli, Piacenza Province, Emilia-Romagna, Italy
04515910017362712841629.jpg
Prehnite

Sant'Agostino, Coli, Piacenza Province, Emilia-Romagna, Italy
Locality type:Village
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Sant'Agostino, Coli, Piacenza Province, Emilia-Romagna, Italy
Data Identifiers
Mindat Occurrence Record ID:927626
Long-form Identifier:1:3:927626:0
GUID (UUID V4):0
Nearest other occurrences of Prehnite
9.2km (5.7 miles) ⓘCasale, Salsominore, Ferriere, Piacenza Province, Emilia-Romagna, Italy
18.8km (11.7 miles) ⓘRocca Marsa, Ferriere, Piacenza Province, Emilia-Romagna, Italy
20.1km (12.5 miles) ⓘGroppo Rosso, Santo Stefano d'Aveto, Genoa, Liguria, Italy
23.4km (14.6 miles) ⓘPescia stream, Rovegno, Genoa, Liguria, Italy
28.9km (17.9 miles) ⓘMt. Aiona, Borzonasca, Genoa, Liguria, Italy
29.1km (18.1 miles) ⓘMonte Penna, Tornolo, Parma Province, Emilia-Romagna, Italy
32.1km (20.0 miles) ⓘMonte Rocchetta, S. Maria del Taro, Tornolo, Parma Province, Emilia-Romagna, Italy
37.5km (23.3 miles) ⓘInternal Ligurian Units, Genoa, Liguria, Italy
42.4km (26.4 miles) ⓘGambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
44.1km (27.4 miles) ⓘLagoscuro bridge, Ne, Genoa, Liguria, Italy
References
Agliuzza F., Esposito M., Odicino G. (2014): Siti d’interesse mineralogico (noti e meno noti) in Alta Val Trebbia. Parte Seconda: Zibaldone di località piacentine. Prie, 10, 11-29.
 
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