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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Hedenbergite from
Kalkovnen, Østhagan Nature Reserve, Grua mining district, Lunner, Akershus, Norway


Locality type:Quarry
Classification
Species:Hedenbergite
Formula:CaFe2+Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hedenbergite data
Locality Data:Click here to view Kalkovnen, Østhagan Nature Reserve, Grua mining district, Lunner, Akershus, Norway
Data Identifiers
Mindat Occurrence Record ID:776150
Long-form Identifier:1:3:776150:8
GUID (UUID V4):0
Nearest other occurrences of Hedenbergite
1.4km (0.9 miles) ⓘMutta Mine, Grua mining district, Lunner, Akershus, Norway
1.5km (0.9 miles) ⓘNyseter Zinc Mines, Grua mining district, Lunner, Akershus, Norway
4.3km (2.7 miles) ⓘTypografhjemmet Mine, Grua mining district, Lunner, Akershus, Norway
31.0km (19.3 miles) ⓘBjønndalen Quarry, Nittedal, Akershus, Norway
35.0km (21.7 miles) ⓘRødtvedt, Grorud, Oslo, Norway
65.5km (40.7 miles) ⓘBaklia, Konnerudkollen Mines (Konnerud Mines), Konnerud, Drammen, Buskerud, Norway
97.2km (60.4 miles) ⓘLjøterud, Kongsberg, Buskerud, Norway
References
Goldschmidt, Victor Moritz (1911) Die Kontaktmetamorphose im Kristianiagebiet. Videnskabsselskabet i Christiania Skrifter - I Mathematisk-naturvidenskabelig klasse, 1911 (1). 1-483p.344
 
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