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Piemontite from
Sierra de Aracena, Los Marines, Huelva, Andalusia, Spain


Locality type:Sierra
Classification
Species:Piemontite
Formula:(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Comments:- Paragenesis 2) of silicate rocks with hematite.
- Paragenesis 1) in calcite layers of carbonate rocks with braunite nodules : In calcite or in rims of manganotremolite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Piemontite data
Locality Data:Click here to view Sierra de Aracena, Los Marines, Huelva, Andalusia, Spain
Data Identifiers
Mindat Occurrence Record ID:320833
Long-form Identifier:1:3:320833:5
GUID (UUID V4):0
References
JimÃĐnez-MillÃĄn, Juan, Velilla, Nicolas (1993) Compositional variation of piemontites from different Mn-rich rock-types of the Iberian Massif (SW Spain) European Journal of Mineralogy, 5 (5) 961-970 doi:10.1127/ejm/5/5/0961
JimÃĐnez-MillÃĄn, Juan, Velilla, NicolÃĄs (1997) Hausmannite and braunite nodules from the Aracena area (Iberian Massif, SW Spain) Mineralogical Magazine, 61 (409) 898-902 doi:10.1180/minmag.1997.061.409.12
 
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