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

Colemanite from
Lang, Los Angeles County, California, USA


Classification
Species:Colemanite
Formula:Ca[B3O4(OH)3] · H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Celestine4
Data
Mineral Data:Click here to view Colemanite data
Locality Data:Click here to view Lang, Los Angeles County, California, USA
Data Identifiers
Mindat Occurrence Record ID:3847
Long-form Identifier:1:3:3847:8
GUID (UUID V4):0
Localities for Colemanite in this Region
Lang Mine, Tick Canyon Borate deposit, Tick Canyon, Lang, Los Angeles County, California, USA
Nearest other occurrences of Colemanite
5.6km (3.5 miles) ⓘLang Mine, Tick Canyon Borate deposit, Tick Canyon, Lang, Los Angeles County, California, USA
62.7km (39.0 miles) ⓘUnnamed Borate prospects [2], Ojai, Ventura County, California, USA
74.0km (46.0 miles) ⓘColumbus Mine, Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
74.5km (46.3 miles) ⓘRussell Mine, Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
74.9km (46.5 miles) ⓘUnnamed Borate prospects [1], Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
75.1km (46.7 miles) ⓘFrazier Mine (Frazier Borax Mine), Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
76.7km (47.7 miles) ⓘBitter Creek Borate Workings Mine (Bitter Creek claim; Bitter Crick placer claim; Merrill claim; Comet claim; Climax claim; Gridiron Placer Mining claim; Bueno claim), Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
77.1km (47.9 miles) ⓘRho B, Phelan, East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA
77.6km (48.2 miles) ⓘIves tunnel, Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
77.8km (48.4 miles) ⓘStubblefield & Halloway property, Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
 
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 07:48:05
Go to top of page