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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Æsan, Hellvik, Eigersund, Rogaland, Norwayi
Regional Level Types
ÆsanExploration Area
HellvikVillage
EigersundMunicipality
RogalandCounty
NorwayCountry

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Latitude & Longitude (WGS84):
58° 28' 1'' North , 5° 54' 7'' East
Latitude & Longitude (decimal):
58.46707,5.90202
GeoHash:
G#: u4khw79eq
GRN:
N39E03
Type:
Exploration Area - last checked 2010
Age:
1600 to 1000 Ma
Geologic Time:
Mesoproterozoic
Reference for age:
Geological Survey of Norway. The Ore Database. Deposit Area 1101 - 609,
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Hellvik643 (2013)1.9km
Egersund9,502 (2010)5.9km
Sirevåg385 (2014)7.1km
Ogna330 (2012)8.1km
Brusand384 (2013)12.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Sandnes SteinklubbSandnes45km
Mindat Locality ID:
267564
Long-form identifier:
mindat:1:2:267564:3
GUID (UUID V4):
0
Other Languages:
Norwegian:
Æsan, Hellvik, Eigersund, Rogaland, Norge


The localities for anorthosite with labradorite showing schiller effect (labradorescence) is located both in the municipalities of Hå and Eigersund. There are currently (2015) two active quarries for labradorescenct anorthosite for ornamental use, the Krokavatnet Southeast in Eigersund, and Sirevåg in Hå. The area is extensively mapped and several localities have been identified.

The Æsan locality consist of three small hills of good quality anorthosite covering an area of 250 x 80m.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List


Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Unclassified
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Orthopyroxene Subgroup'-

List of minerals for each chemical element

OOxygen
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CaCalcium
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8

Other Databases

Link to Geological Survey of Norway:14699

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Geological Survey of Norway. The Ore Database. Deposit Area 1101 - 609, Æsan
Bjerkgård, T., Heldal, T., Kjølle, I., Lund, B., Meyer, G. & Schiellerup, H. (2003): Natursteinsundersøkelser i Egersund-Ogna anortositt-kompleks: Status våren 2003. Norges geologiske undersøkelse, NGU-report No.2003.030, 17p.
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