Potassic-magnesio-fluoro-arfvedsonite from
Blåmannvika, Kvaløya ultrapotassic dike, Kvaløya, Tromsø, Troms og Finnmark, Norway
| Locality type: | Outcrop | |
| Classification | ||
|---|---|---|
| Species: | Potassic-magnesio-fluoro-arfvedsonite | |
| Formula: | [(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2] | |
| Comments: | Described in paper as fluoro-potassic-magnesio-arfvedsonite. Analyses provided by Kullerud (2014) corresponds to potassic-fluoro-arfvedsonite, but the analyses show high T content (7.99 to 8.36 apfu), low C content (4.24 to 4.95 apfu) and high A (1.06 to 1.22 apfu). According to Hawthorne et al. (1993) such results are indicative of "incomplete chemical analyses (specifically, no determination of Li and H2O) and incorrect assumptions in the renormalization procedure". | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Data | ||
| Mineral Data: | Click here to view Potassic-magnesio-fluoro-arfvedsonite data | |
| Locality Data: | Click here to view Blåmannvika, Kvaløya ultrapotassic dike, Kvaløya, Tromsø, Troms og Finnmark, Norway | |
| Photo Gallery | View Gallery (3 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 918188 | |
| Long-form Identifier: | 1:3:918188:5 | |
| GUID (UUID V4): | 45868fef-6606-43b7-8fb0-a667a9f532ed | |
| Nearest other occurrences of Potassic-magnesio-fluoro-arfvedsonite | ||
| 4.5km (2.8 miles) | ⓘMelketinden, Kvaløya ultrapotassic dike, Kvaløya, Tromsø, Troms og Finnmark, Norway | |
| References | ||
Hawthorne, Frank C., Ungaretti, Luciano, Oberti, Roberta, Bottazzi, Piero, Czamanske, Gerald K. (1993) Li: An important component in igneous alkali amphiboles. American Mineralogist, 78 (7-8) 733-745 Kullerud, Kåre, Zozulya, Dmitry, Bergh, Steffen G., Hansen, Harald, Ravna, Erling J.K. (2011) Geochemistry and tectonic setting of a lamproite dyke in Kvaløya, North Norway. Lithos, 126 (3) 278-289 doi:10.1016/j.lithos.2011.08.002 | ||
Blåmannvika, Kvaløya ultrapotassic dike, Kvaløya, Tromsø, Troms og Finnmark, Norway