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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Gjerpenkollen, Drammen, Buskerud, Norwayi
Regional Level Types
GjerpenkollenDiggings
DrammenMunicipality
BuskerudCounty
NorwayCountry

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Latitude & Longitude (WGS84):
59° 42' 41'' North , 10° 13' 23'' East
Latitude & Longitude (decimal):
59.71139,10.22306
GRN:
N40E04
Type:
Diggings - last checked 2026
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Skoger1,082 (2013)1.7km
Drammen90,722 (2018)3.8km
Hyggen408 (2010)7.4km
Røyken2,775 (2014)10.1km
Tranby5,552 (2013)11.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Buskerud GeologiforeningSolbergelva10km
Vestfold GeologiforeningHolmestrand28km
Follo GeologiforeningÅs33km
Mindat Locality ID:
475886
Long-form identifier:
mindat:1:2:475886:3
GUID (UUID V4):
0


Area around Gjerpenkollen where pockets in granite were found during the period of 2019-2026. The coordinates are of the blasted area below the Gjerpenkollen apartment complex.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
References:
Hamza Ilhan Sito CollectionIdentified by Hamza Ilhan Sito: Visual Identification
ⓘ Beryl
Formula: Be3Al2(Si6O18)
References:
Hamza Ilhan Sito CollectionIdentified by Hamza Ilhan Sito: Visual Identification
ⓘ Beryl var. Aquamarine
References:
Hamza Ilhan Sito CollectionIdentified by Hamza Ilhan Sito: Visual Identification
ⓘ Fluorite
Formula: CaF2
References:
Hamza Ilhan Sito CollectionIdentified by Hamza Ilhan Sito: Visual Identification
ⓘ Phenakite
Formula: Be2SiO4
References:
Hamza Ilhan Sito CollectionIdentified by Hamza Ilhan Sito: Visual Identification
ⓘ Pyrite
Formula: FeS2
References:
Hamza Ilhan Sito CollectionIdentified by Hamza Ilhan Sito: Visual Identification
ⓘ Quartz
Formula: SiO2
References:
Hamza Ilhan Sito CollectionIdentified by Hamza Ilhan Sito: Visual Identification

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘPhenakite9.AA.05Be2SiO4
ⓘBeryl
var. Aquamarine		9.CJ.05Be3Al2(Si6O18)
ⓘ9.CJ.05Be3Al2(Si6O18)
ⓘAlbite9.FA.35Na(AlSi3O8)

List of minerals for each chemical element

BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ PhenakiteBe2SiO4
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ PhenakiteBe2SiO4
Oⓘ QuartzSiO2
FFluorine
Fⓘ FluoriteCaF2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BerylBe3Al2(Si6O18)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ PhenakiteBe2SiO4
Siⓘ QuartzSiO2
SSulfur
Sⓘ PyriteFeS2
CaCalcium
Caⓘ FluoriteCaF2
FeIron
Feⓘ PyriteFeS2

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Norway
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.
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