Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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

Montgomeryite from
White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA


01400320017368440623755.jpg
Montgomeryite

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
08485970017272046043545.jpg
Montgomeryite, etc.

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
08787930017272046056991.jpg
Montgomeryite, etc.

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
07370270017364114773051.jpg
Montgomeryite

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
08533030017368440629534.jpg
Montgomeryite, etc.

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
05157150017368440639602.jpg
Montgomeryite, etc.

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
01400320017368440623755.jpg
Montgomeryite

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
08485970017272046043545.jpg
Montgomeryite, etc.

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
08787930017272046056991.jpg
Montgomeryite, etc.

White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
Locality type:Mine
Classification
Species:Montgomeryite
Formula:Ca4MgAl4(PO4)6(OH)4 · 12H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Hydroxylapatite1
Robertsite1
Bermanite1
Data
Mineral Data:Click here to view Montgomeryite data
Locality Data:Click here to view White Elephant Mine, Cicero Peak, Pringle, Custer Mining District, Custer County, South Dakota, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:210759
Long-form Identifier:1:3:210759:2
GUID (UUID V4):0
Nearest other occurrences of Montgomeryite
9.6km (6.0 miles) ⓘTip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
28.3km (17.6 miles) ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
79.7km (49.5 miles) ⓘWharf Mine, Bald Mountain Mining District (Portland Mining District), Lawrence County, South Dakota, USA
References
Smith, Arthur E., Fritzsch, Eric (2000) SOUTH DAKOTA. Rocks & Minerals, 75 (3) 156-169 doi:10.1080/00357520009605635
 
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 05:26:00
Go to top of page