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

Actinolite from
El Negral quarry, Pozo Alcón, Jaén, Andalusia, Spain


06854810017370522493661.jpg
Actinolite

El Negral quarry, Pozo Alcón, Jaén, Andalusia, Spain
06854810017370522493661.jpg
Actinolite

El Negral quarry, Pozo Alcón, Jaén, Andalusia, Spain
04105490017272289527478.jpg
Actinolite

El Negral quarry, Pozo Alcón, Jaén, Andalusia, Spain
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view El Negral quarry, Pozo Alcón, Jaén, Andalusia, Spain
Data Identifiers
Mindat Occurrence Record ID:1295924
Long-form Identifier:1:3:1295924:0
GUID (UUID V4):0
Nearest other occurrences of Actinolite
53.8km (33.4 miles) ⓘOficarsa Quarry (Cerro de las Culebras), Carchelejo, Cárcheles, Jaén, Andalusia, Spain
72.6km (45.1 miles) ⓘMarble Quarries, Macael, Almería, Andalusia, Spain
81.3km (50.5 miles) ⓘPeñón de Cóbdar quarry, Cóbdar, Almería, Andalusia, Spain
References
José Miguel Sola. Multiple methods, XRD thin sheet, XRD, Optical, electrical and chemical properties. There are other silicates that we have not been able to identify due to the lack of adequate methods. In our studies we have not seen analcime.
 
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 07:36:36
Go to top of page