Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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

Muscovite from
Kleggåsen Ruby Quarry, Froland, Agder, Norway


Locality type:Quarry
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Kleggåsen Ruby Quarry, Froland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:677673
Long-form Identifier:1:3:677673:2
GUID (UUID V4):0
Nearest other occurrences of Muscovite
4.2km (2.6 miles) ⓘGloserheia, Froland, Agder, Norway
5.4km (3.4 miles) ⓘTrevanntoppen, Frolands Verk, Froland, Agder, Norway
10.0km (6.2 miles) ⓘGrasås Feldspar Quarry, Austre Moland, Arendal, Agder, Norway
11.2km (7.0 miles) ⓘMassævatnet 1, Hinnebu, Mykland, Froland, Agder, Norway
11.7km (7.3 miles) ⓘRustfjellet South, Gunnerslått, Froland, Agder, Norway
11.8km (7.3 miles) ⓘRustfjellet, Gunnerslått, Froland, Agder, Norway
12.1km (7.5 miles) ⓘKleivmyr 07c feldspar quarry, Kleivmyr, Froland, Agder, Norway
12.1km (7.5 miles) ⓘKleivmyr, Froland, Agder, Norway
12.3km (7.6 miles) ⓘBjellåsen, Froland, Agder, Norway
12.3km (7.6 miles) ⓘDyblemyr 1, Gunnerslått, Froland, Agder, Norway
References
Nijland, Timo G.; Liuaw, Frank; Visser, Diedrik; Maijer, Cornelis; Senior, Antony (1993) Metamorphic petrology of the Froland corundum-bearing rocks, the cooling and uplift history of the Bamble Sector, Norway. Norges Geologiske Undersøkelse Bulletin 424, 51-63
Larsen. Knut Edvard (2026) Rubinforekomsten på Kleggåsen, Froland [The ruby ​​deposit at Kleggåsen, Froland]. STEIN. Magasin for populærgeologi, 53 (3). p.3-11.
 
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 7, 2026 03:57:20
Go to top of page