Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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

Feldspar Group from
Holmtjärn, Stora Tuna, Borlänge, Dalarna County, Sweden


Locality type:Mine
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Holmtjärn, Stora Tuna, Borlänge, Dalarna County, Sweden
Data Identifiers
Mindat Occurrence Record ID:657353
Long-form Identifier:1:3:657353:9
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
33.6km (20.9 miles) ⓘRisberg ore field, Grängesberg mining field, Grängesberg, Ludvika, Dalarna County, Sweden
34.4km (21.4 miles) ⓘBroddbo, Falun, Dalarna County, Sweden
42.2km (26.2 miles) ⓘBjursås pegmatite, Bjursås, Falun, Dalarna County, Sweden
47.9km (29.8 miles) ⓘUnga Assersorskan Mine, Norberg, Västmanland County, Sweden
51.5km (32.0 miles) ⓘGarpenberg Södra Mine, Garpenberg, Hedemora, Dalarna County, Sweden
52.0km (32.3 miles) ⓘFjällgrycksbo, Falun, Dalarna County, Sweden
52.6km (32.7 miles) ⓘSmältarmossen Mine, Hedemora, Dalarna County, Sweden
55.3km (34.3 miles) ⓘSvärdsjö, Falun, Dalarna County, Sweden
70.0km (43.5 miles) ⓘSlöjdartorp, Nyberget ore field, Nyberget, Lindesberg, Örebro County, Sweden
71.0km (44.1 miles) ⓘLovisagruvan (Lovisa Mine), Stråssa, Lindesberg, Örebro County, Sweden
References
Langhof, J. (1996) Thortveitite from granitic NYF pegmatites in Sweden. GFF, 118. 54 doi:10.1080/11035899609546336
 
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 4, 2026 06:51:24
Go to top of page