Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle for your votes!
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
Merck Mine (Hope Mine), Gainesville, Hall County, Georgia, USA


Locality type:Mine
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 Merck Mine (Hope Mine), Gainesville, Hall County, Georgia, USA
Data Identifiers
Mindat Occurrence Record ID:955807
Long-form Identifier:1:3:955807:6
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
42.1km (26.2 miles) ⓘAmphlett Mica Mine (Franklin Mine), Ball Ground, Ball Ground Mining District, Cherokee County, Georgia, USA
42.5km (26.4 miles) ⓘConn's Creek School, Cherokee County, Georgia, USA
63.0km (39.1 miles) ⓘStone Mountain Quarry, DeKalb County, Georgia, USA
71.9km (44.6 miles) ⓘBrasstown Creek, Young Harris, Towns County, Georgia, USA
73.8km (45.9 miles) ⓘGarner Mine, Hart County, Georgia, USA
74.0km (46.0 miles) ⓘWater Hole Mine, Hartwell, Hart County, Georgia, USA
74.5km (46.3 miles) ⓘUnnamed Mica Prospects (10241375), Hart County, Georgia, USA
75.8km (47.1 miles) ⓘBailey Mine, Cross Roads, Hart County, Georgia, USA
83.0km (51.5 miles) ⓘChunky Gal Mountain, Clay County, North Carolina, USA
83.5km (51.9 miles) ⓘRuth Jones Mine, Hart County, Georgia, USA
References
Heinrich, E.W., Klepper, M.R., Jahns, R.H. (1953) Mica deposits of the southeastern Piedmont, Part 9, Thomaston-Barnesville district, Georgia; Part 10, Outlying deposits in Georgia. Professional Paper 248f. US Geological Survey doi:10.3133/pp248f
 
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 5, 2026 12:00:53
Go to top of page