Vote for your favorite mineral in #MinCup26! - Arsenuranylite vs. Talc
It's a pair of soft and lovely minerals as Stichtite and Talc compete for your votes.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Strømsås tunnel, Drammen, Buskerud, Norwayi
Regional Level Types
Strømsås tunnelTunnel
DrammenMunicipality
BuskerudCounty
NorwayCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
Latitude & Longitude (WGS84):
59° 43' 53'' North , 10° 10' 59'' East
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Drammen90,722 (2018)1.8km
Skoger1,082 (2013)4.4km
Tranby5,552 (2013)9.6km
Hyggen408 (2010)9.8km
Røyken2,775 (2014)11.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Buskerud GeologiforeningSolbergelva7km
Vestfold GeologiforeningHolmestrand30km
Follo GeologiforeningÅs36km
Mindat Locality ID:
192511
Long-form identifier:
mindat:1:2:192511:4
GUID (UUID V4):
0
Other/historical names associated with this locality:
E 134
Other Languages:
Norwegian:
Strømsåstunnelen, Drammen, Buskerud, Norge


Minerals found in the year 1995-1997 and 2000 during construction of the Strømsås tunnel along the E 134 highway road in the city of Drammen. About 900 m into the tunnel from Bangløkka a hydrothermal fluorite vein was exposed during the construction. Some specimens of nice fluorite crystals were saved.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Bavenite9.DF.25Ca4Be2Al2Si9O26(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified
'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O

List of minerals for each chemical element

HHydrogen
H BaveniteCa4Be2Al2Si9O26(OH)2
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
H PrehniteCa2Al2Si3O10(OH)2
BeBeryllium
Be BaveniteCa4Be2Al2Si9O26(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O BaveniteCa4Be2Al2Si9O26(OH)2
O CalciteCaCO3
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
NaSodium
Na Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
AlAluminium
Al BaveniteCa4Be2Al2Si9O26(OH)2
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si BaveniteCa4Be2Al2Si9O26(OH)2
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
KPotassium
K Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
CaCalcium
Ca BaveniteCa4Be2Al2Si9O26(OH)2
Ca CalciteCaCO3
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Ca PrehniteCa2Al2Si3O10(OH)2
FeIron
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Norway

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

 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 8, 2026 06:16:51 Page updated: August 23, 2026 16:07:25
Go to top of page