Vote for your favorite mineral in #MinCup26! - Erythrite vs. Skutterudite
Pretty pink and poisonous Erythrite is against its shiny silver and structurally-useful Skutterudite.
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

Mangano-actinolite from
Gåsborn, Filipstad, Värmland County, Sweden


Locality type:Hamlet
Classification
Species:'Mangano-actinolite' (not an IMA approved species)
Formula:◻Ca2(Mn,Mg,Fe)5(Si8O22)(OH)2
Chemical Analyses:
Oxide wt%:
1
SiO252.59 %
Al2O30.09 %
Fe2O3*0.22 %
FeO*5.96 %
MnO20.11 %
MgO8.12 %
CaO10.92 %
Na2O0.06 %
K2O0.05 %
F0.30 %
H2O*1.83 %
-O=(F+Cl)-0.13 %
Total:100.12 %
Empirical formulas:
1((K0.01◻0.99)(Ca1.78Mn2+0.21Na0.02)(Mn2+2.38Mg1.84Fe2+0.76Fe3+0.02)[Si7.98Al0.02O22]([OH]1.86F0.14)
Sample references:
1table 4; analysis #1
Damman, Arend H. (1989) Mn-silicate skarns from the Gåsborn area, West Bergslagen, central Sweden. Mineralogical Magazine, 53 (373) 613-624 doi:10.1180/minmag.1989.053.373.12
Confirmation
Validity:Valid - First Recorded Locality
Data
Mineral Data:Click here to view Mangano-actinolite data
Locality Data:Click here to view Gåsborn, Filipstad, Värmland County, Sweden
Data Identifiers
Mindat Occurrence Record ID:1761813
Long-form Identifier:1:3:1761813:5
GUID (UUID V4):0
References
Damman, Arend H. (1989) Mn-silicate skarns from the Gåsborn area, West Bergslagen, central Sweden. Mineralogical Magazine, 53 (373) 613-624 doi:10.1180/minmag.1989.053.373.12
 
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 2, 2026 16:13:04
Go to top of page