Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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

Plagioclase from
Buffalo Peaks, Chaffee County, Colorado, USA


Locality type:Peak
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Buffalo Peaks, Chaffee County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:435746
Long-form Identifier:1:3:435746:9
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
18.6km (11.6 miles) Newett Quarries, Chaffee County, Colorado, USA
19.2km (12.0 miles) Crystal No. 8 Mine, Chaffee County, Colorado, USA
35.9km (22.3 miles) Detroit City Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
35.9km (22.3 miles) Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
39.4km (24.5 miles) Mica-Beryl Mine (MRDS - 10013705), Turret Mining District, Chaffee County, Colorado, USA
41.0km (25.5 miles) Ace High - Jackpot Prospect, Turret Mining District, Chaffee County, Colorado, USA
42.3km (26.3 miles) Old Glory claim (Last Chance prospect; Last Chance Spar-Mica Dyke prospect), Turret Mining District, Chaffee County, Colorado, USA
46.2km (28.7 miles) Bon Ton Mine, Monarch Mining District, Chaffee County, Colorado, USA
50.5km (31.4 miles) Meyers Ranch, Guffey Mining District, Park County, Colorado, USA
55.3km (34.4 miles) Betty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park County, Colorado, USA
References
 
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 6, 2026 07:36:05
Go to top of page