Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Serpentine Subgroup from
Kortejärvi Carbonatite, Pudasjärvi, North Ostrobothnia, Finland


Locality type:Occurrence
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Kortejärvi Carbonatite, Pudasjärvi, North Ostrobothnia, Finland
Data Identifiers
Mindat Occurrence Record ID:937271
Long-form Identifier:1:3:937271:9
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
12.9km (8.0 miles) ⓘLaivajoki Carbonatite, Posio, Lapland, Finland
18.0km (11.2 miles) ⓘKuusijärvi deposit, Koillismaa Complex, Lapland, Finland
21.3km (13.3 miles) ⓘMustavaara, Taivalkoski, North Ostrobothnia, Finland
70.7km (43.9 miles) ⓘDike 15, Taivalkoski, North Ostrobothnia, Finland
84.0km (52.2 miles) ⓘRaajärvi, Kemijärvi, Lapland, Finland
95.9km (59.6 miles) ⓘKauniinvaara, Suomussalmi, Kainuu, Finland
References
Kresten, Peter, Printzlau, Ivan, Rex, David, Vartiainen, Heikki, Woolley, Alan (1977) New ages of carbonatitic and alkaline ultramafic rocks from Sweden and Finland. Geologiska Föreningen i Stockholm Förhandlingar, 99 (1) 62-65 doi:10.1080/11035897709454992
Nykanen, J., Laajoki, K., & Karhu, J. (1997). Geology and geochemistry of the early Proterozoic Kortejarvi and Laivajoki carbonatites, central Fennoscandian Shield, Finland. Bulletin of the Geological Society of Finland, 69, 1-2.
O'Brien, H. E., Peltonen, P., & Vartiainen, H. (2005). Kimberlites, carbonatites, and alkaline rocks. In Developments in Precambrian Geology (Vol. 14, pp. 605-644). Elsevier.
www.geologinenseura.fi (2017) http://www.geologinenseura.fi/bulletin/Volume69/sgs_bt_069_pages_005_030.pdf
 
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