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

Bertrandite from
Slattery Quarry, Paris, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Bertrandite
Formula:Be4(Si2O7)(OH)2
Comments:"One large crystal by Charles Marble" Morrill et al. 1959. Also "bird nest" clusters of crystals (perhaps to several cm) found in albite cavities.
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bertrandite data
Locality Data:Click here to view Slattery Quarry, Paris, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:29075
Long-form Identifier:1:3:29075:5
GUID (UUID V4):0
Nearest other occurrences of Bertrandite
1.2km (0.7 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
4.1km (2.5 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
5.7km (3.5 miles) ⓘOrchard Quarry, Buckfield, Oxford County, Maine, USA
5.7km (3.5 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
6.2km (3.9 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
6.8km (4.2 miles) ⓘSki Pike Quarry, West Paris, Oxford County, Maine, USA
11.4km (7.1 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
12.3km (7.7 miles) ⓘOhtonen Quarry, Greenwood, Oxford County, Maine, USA
12.8km (8.0 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
12.9km (8.0 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
References
Morrill et al, 1959, Maine Mines and Minerals.
 
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 11:11:33
Go to top of page