Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
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

Muscovite from
Macomber Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA


Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Macomber Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:636015
Long-form Identifier:1:3:636015:3
GUID (UUID V4):0
Nearest other occurrences of Muscovite
2.3km (1.4 miles) ⓘClark Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA
5.0km (3.1 miles) ⓘBarrus farm pegmatite localities, Goshen, Hampshire County, Massachusetts, USA
9.8km (6.1 miles) ⓘBetts Manganese Mines, Plainfield, Hampshire County, Massachusetts, USA
14.1km (8.7 miles) ⓘBeuman Road Chloritoid Locality, Windsor, Berkshire County, Massachusetts, USA
16.2km (10.1 miles) ⓘHeight of Land Garnet Locality, Windsor, Berkshire County, Massachusetts, USA
19.1km (11.9 miles) ⓘForge Hill iron mines (Old Hawley iron mines), West Hawley, Hawley, Franklin County, Massachusetts, USA
20.0km (12.4 miles) ⓘLoudville Lead Mines (Manhan Lead-Silver Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire County, Massachusetts, USA
21.6km (13.5 miles) ⓘHawks Pyrite Mine (Mount Peak Mine), Charlemont, Franklin County, Massachusetts, USA
24.0km (14.9 miles) ⓘHudson & Chester Quarry, Becket, Berkshire County, Massachusetts, USA
27.3km (17.0 miles) ⓘBlandford mica mines, Blandford, Hampden County, Massachusetts, USA
References
Emerson, B.K. (1917) Geology of Massachusetts and Rhode Island. Bulletin 597. US Geological Survey doi:10.3133/b597 p.255
 
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 4, 2026 00:05:50
Go to top of page