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Piemontite from
Varenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy


Locality type:Mine
Classification
Species:Piemontite
Formula:(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Comments:The sample studied by Bonazzi et al. (1996) is a piemontite-dominant member of a solid solution between piemontite and androsite-(La).
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Braunite1
Garnet Group1
Data
Mineral Data:Click here to view Piemontite data
Locality Data:Click here to view Varenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy
Data Identifiers
Mindat Occurrence Record ID:155668
Long-form Identifier:1:3:155668:1
GUID (UUID V4):0
Nearest other occurrences of Piemontite
10.2km (6.3 miles) ⓘServette-Chuc mining complex, Saint-Marcel, Aosta Valley, Italy
11.4km (7.1 miles) ⓘChez Botz (Chez Boche), Clavalité Valley, Fénis, Aosta Valley, Italy
12.6km (7.8 miles) ⓘPraborna Mine, Servette-Chuc mining complex, Saint-Marcel, Aosta Valley, Italy
13.0km (8.1 miles) ⓘCignana Lake (Tsignanaz Lake), Valtournenche, Aosta Valley, Italy
19.2km (11.9 miles) ⓘMotta di Pletè, Breuil-Cervinia, Valtournenche, Aosta Valley, Italy
23.4km (14.6 miles) ⓘPlateau Rosa Pass, Breuil-Cervinia, Valtournenche, Aosta Valley, Italy
34.5km (21.5 miles) ⓘFeglierec Mine, Otro Valley, Alagna Valsesia, Vercelli Province, Piedmont, Italy
37.8km (23.5 miles) ⓘSparrenflue, Täsch Valley, Täsch, Visp, Valais, Switzerland
42.4km (26.3 miles) ⓘApparè, Sparone, Metropolitan City of Turin, Piedmont, Italy
43.1km (26.8 miles) ⓘFeilongo, Sparone, Metropolitan City of Turin, Piedmont, Italy
References
Pelloux, A. (1946) Contributo alla mineralogia della valle d'Aosta. Rendiconti della Società Mineralogica Italiana, 188-206.
Bonazzi, Paola, Menchetti, Silvio, Reinecke, Thomas (1996) Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece. American Mineralogist, 81 (5) 735-742 doi:10.2138/am-1996-5-620
Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005) La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località): 2/2005: 81-122. https://www.academia.edu/51571167/La_miniera_di_manganese_di_Varenche_Aosta_Italia_nord_occidentale_ardennite_arseniopleite_manganberzeliite_pirofanite_sarkinite_thortveitite_nuovo_As_Sc_analogo_della_metavariscite_e_altre_specie
 
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