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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Piemontite from
Sørfjord I Hydropower Station, Hamarøy, Nordland, Norway


Locality type:Power Plant
Classification
Species:Piemontite
Formula:(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Piemontite data
Locality Data:Click here to view Sørfjord I Hydropower Station, Hamarøy, Nordland, Norway
Data Identifiers
Mindat Occurrence Record ID:1097507
Long-form Identifier:1:3:1097507:7
GUID (UUID V4):0
References
Garmo, Torgeir T.; Selbekk, Rune S. (2017) Norsk mineralbok [Norwegian mineral book]. Fossheim Steinsenter A/S. 351pp.p.212
 
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