Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
entice people to vote
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

Actinolite from
Plan da li Tegi, Laguné Valley, Bernina Pass area, Poschiavo, Bernina Region, Grisons, Switzerland


Locality type:Outcrop
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Plan da li Tegi, Laguné Valley, Bernina Pass area, Poschiavo, Bernina Region, Grisons, Switzerland
Data Identifiers
Mindat Occurrence Record ID:1512646
Long-form Identifier:1:3:1512646:3
GUID (UUID V4):0
Nearest other occurrences of Actinolite
3.5km (2.2 miles) ⓘBianco Lake, Bernina Pass area, Poschiavo, Bernina Region, Grisons, Switzerland
8.3km (5.1 miles) ⓘPalü Glacier, Bernina Pass area, Poschiavo, Bernina Region, Grisons, Switzerland
8.5km (5.3 miles) ⓘVaruna Glacier, Poschiavo, Bernina Region, Grisons, Switzerland
12.9km (8.0 miles) ⓘAlpe d'Ur, Selva, Poschiavo, Bernina Region, Grisons, Switzerland
13.0km (8.1 miles) ⓘCosti d'Ur, Selva, Poschiavo, Bernina Region, Grisons, Switzerland
13.3km (8.3 miles) ⓘQuadrada (incl. Quadradin), Selva, Poschiavo, Bernina Region, Grisons, Switzerland
13.8km (8.6 miles) ⓘAlp Cancian asbestos mines, Selva, Poschiavo, Bernina Region, Grisons, Switzerland
14.3km (8.9 miles) ⓘForcella di Fellaria, Scerscen Valley, Lanzada, Sondrio Province, Lombardy, Italy
14.5km (9.0 miles) ⓘScortaseo (Scurtaseu) deposit, Selva, Poschiavo, Bernina Region, Grisons, Switzerland
20.6km (12.8 miles) ⓘMonte Zandila, Grosio, Sondrio Province, Lombardy, Italy
References
Romani, E. (2000) Andar per cristalli - tesori nascosti. Minerali e rocce della Val Poschiavo nella raccolta del Museo Mineralogico e Naturalistico di Bormio. Edizioni Grafica Colombo, Lecco, 151 pp.
Bedognè, F., Montrasio, A., Sciesa, E. (2006): I minerali della medio-alta Valtellina delle Orobie e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Tipografia Bettini, Sondrio, 255 pp.
 
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 9, 2026 00:04:41
Go to top of page