Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer,
but only one can claim a larger split of 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

Montebrasite from
Mount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Montebrasite
Formula:LiAl(PO4)(OH)
Comments:The chemical composition of primary material is F-rich and therefore amblygonite, but the composition of late crystals is nearly end-member montebrasite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montebrasite data
Locality Data:Click here to view Mount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:730482
Long-form Identifier:1:3:730482:8
GUID (UUID V4):0
Nearest other occurrences of Montebrasite
3.2km (2.0 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
4.6km (2.9 miles) ⓘOwls Head prospects (Nevel prospects), Buckfield, Oxford County, Maine, USA
5.7km (3.5 miles) ⓘGE-SE Mine, Buckfield, Oxford County, Maine, USA
9.3km (5.8 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
9.4km (5.8 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
11.1km (6.9 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
15.4km (9.5 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
15.4km (9.6 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
15.9km (9.9 miles) ⓘGreenlaw Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
15.9km (9.9 miles) ⓘSmith Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
References
Palache, Charles, Richmond, W. E., Wolfe, and C. W. (1943) On amblygonite. American Mineralogist, 28 (1) 39-53
 
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 3, 2026 00:08:24
Go to top of page