Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Actinolite from
Armstrong Ni Mine, Widgiemooltha, Coolgardie Shire, Western Australia, Australia


Locality type:Mine
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Associated Minerals Based on Photo Data:
Millerite4
Putnisite4
Gypsum2
Quartz2
Aragonite2
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Armstrong Ni Mine, Widgiemooltha, Coolgardie Shire, Western Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:832669
Long-form Identifier:1:3:832669:0
GUID (UUID V4):0
Nearest other occurrences of Actinolite
3.3km (2.1 miles) ⓘ384N deposit, Widgiemooltha, Coolgardie Shire, Western Australia, Australia
3.5km (2.2 miles) ⓘ132 North Ni Mine, Widgiemooltha, Coolgardie Shire, Western Australia, Australia
7.0km (4.4 miles) ⓘLocation 2 deposit (Location 5B), Spargoville, Coolgardie Shire, Western Australia, Australia
7.1km (4.4 miles) ⓘWattle Dam gold mine, Spargoville, Coolgardie Shire, Western Australia, Australia
8.4km (5.2 miles) ⓘMunda deposit, Widgiemooltha, Coolgardie Shire, Western Australia, Australia
21.0km (13.1 miles) ⓘMiitel Ni Mine, Widgiemooltha, Coolgardie Shire, Western Australia, Australia
21.7km (13.5 miles) ⓘInvincible Gold Mine (LT-17), St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
23.7km (14.8 miles) ⓘFoster Shoot, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
26.6km (16.5 miles) ⓘAthena-Hamlet Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
27.6km (17.1 miles) ⓘBeta Hunt Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
References
Peter Eliott
 
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: October 15, 2026 04:29:18
Go to top of page