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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Plagioclase from
Kalvshagen, Hå, Rogaland, Norway


02548650017272034744627.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
03696950017272034774006.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
08180330017272034757622.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
08428010017370808373376.jpg
Plagioclase

Kalvshagen, Hå, Rogaland, Norway
04192540017370808389314.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
01857530017370808397638.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
08591920017370808387677.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
08428010017370808373376.jpg
Plagioclase

Kalvshagen, Hå, Rogaland, Norway
02548650017272034744627.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
03696950017272034774006.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
06020320017272034797826.jpg
Plagioclase, etc.

Kalvshagen, Hå, Rogaland, Norway
05337250017370808392234.jpg
Plagioclase

Kalvshagen, Hå, Rogaland, Norway
Locality type:Outcrop
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Comments:Composition An55
Habit:Large labradorescent phenocrysts (up to 20cm)
Confirmation
Validity:Confirmed
Confirmation Methods:Ion Microprobe
Associated Minerals Based on Photo Data:
Anorthite3
- var Labradorite3
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Kalvshagen, Hå, Rogaland, Norway
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:903659
Long-form Identifier:1:3:903659:8
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
0.7km (0.4 miles) ⓘMoifjellet, Hellvik, Eigersund, Rogaland, Norway
0.9km (0.6 miles) ⓘPiggsteintjørna, Hellvik, Eigersund, Rogaland, Norway
1.5km (1.0 miles) ⓘKrokavatnet southwest, Hå, Rogaland, Norway
1.7km (1.1 miles) ⓘKrokavatnet Southeast, Hellvik, Eigersund, Rogaland, Norway
1.7km (1.1 miles) ⓘHettua East, Hå, Rogaland, Norway
1.9km (1.2 miles) ⓘHettua, Hå, Rogaland, Norway
2.1km (1.3 miles) ⓘLøgjen, Hellvik, Eigersund, Rogaland, Norway
2.3km (1.4 miles) ⓘBeinskinnvatn South, Sirevåg, Hå, Rogaland, Norway
2.3km (1.4 miles) ⓘBeinskinnvatn Øst, Sirevåg, Hå, Rogaland, Norway
2.6km (1.6 miles) ⓘLitletjørna, Hellvik, Eigersund, Rogaland, Norway
References
Jean-Clair Duchesne ed. (2001): The Rogaland Intrusive Massifs - an excursion guide. NGU Report no.: 2001.029.
 
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