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

Schorl from
Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine), Ramona, Ramona Mining District, San Diego County, California, USA


06574060017367637321169.jpg
Schorl

Lookout Mine, Ramona, Ramona Mining District, San Diego County, California, USA
05672760017884802166668.jpg
Schorl, etc.

Lookout Mine, Ramona, Ramona Mining District, San Diego County, California, USA
06574060017367637321169.jpg
Schorl

Lookout Mine, Ramona, Ramona Mining District, San Diego County, California, USA
05672760017884802166668.jpg
Schorl, etc.

Lookout Mine, Ramona, Ramona Mining District, San Diego County, California, USA
07391790017271983352976.jpg
Schorl

Lookout Mine, Ramona, Ramona Mining District, San Diego County, California, USA
05672760017884802166668.jpg
Schorl, etc.

Lookout Mine, Ramona, Ramona Mining District, San Diego County, California, USA
Locality type:Mine
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite5
- var Cleavelandite2
Stibiotantalite1
Elbaite-Schorl Series1
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine), Ramona, Ramona Mining District, San Diego County, California, USA
Data Identifiers
Mindat Occurrence Record ID:257372
Long-form Identifier:1:3:257372:4
GUID (UUID V4):0
Nearest other occurrences of Schorl
0.2km (0.1 miles) ⓘHercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect), Ramona, Ramona Mining District, San Diego County, California, USA
0.4km (0.2 miles) ⓘLittle Three Mine area, Ramona, Ramona Mining District, San Diego County, California, USA
0.4km (0.2 miles) ⓘLittle Three Mine, Little Three Mine area, Ramona, Ramona Mining District, San Diego County, California, USA
0.5km (0.3 miles) ⓘEquestrian prospect, Ramona, Ramona Mining District, San Diego County, California, USA
0.6km (0.4 miles) ⓘSunrise claim (Black Panther prospect), Ramona, Ramona Mining District, San Diego County, California, USA
0.6km (0.4 miles) ⓘApollo Lode claim, Ramona, Ramona Mining District, San Diego County, California, USA
0.8km (0.5 miles) ⓘCoyote diggings, Ramona, Ramona Mining District, San Diego County, California, USA
0.9km (0.5 miles) ⓘSurprise Mine, Ramona, Ramona Mining District, San Diego County, California, USA
1.3km (0.8 miles) ⓘA.B.C. Mine (ABC Mine; Daggett & MacIntosh; Daggett group), Ramona, Ramona Mining District, San Diego County, California, USA
1.8km (1.1 miles) ⓘProspect Mine, Ramona, Ramona Mining District, San Diego County, California, USA
References
San Diego Mining Company, 1995-1997.
 
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 00:32:40
Go to top of page