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

Muscovite from
Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA


07746150017363847959502.jpg
Muscovite, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
02759680017363847968461.jpg
Muscovite, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
07746150017363847959502.jpg
Muscovite, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
02759680017363847968461.jpg
Muscovite, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
06001330017363847966944.jpg
Muscovite, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
02759680017363847968461.jpg
Muscovite, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Elbaite11
Albite6
- var Cleavelandite6
Quartz4
- var Milky Quartz1
- var Smoky Quartz1
Feldspar Group3
Lepidolite1
Schorl1
Tourmaline1
- var Rubellite1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Data Identifiers
Mindat Occurrence Record ID:44590
Long-form Identifier:1:3:44590:2
GUID (UUID V4):0
Localities for Muscovite in this Region
Braye Mine, Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Nearest other occurrences of Muscovite
0.4km (0.2 miles) ⓘBraye Mine, Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
0.6km (0.4 miles) ⓘMesa Grande Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
1.1km (0.7 miles) ⓘCota Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
1.3km (0.8 miles) ⓘPayne Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
2.3km (1.4 miles) ⓘTrail Mine, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USA
2.5km (1.5 miles) ⓘEsmeralda Mine, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USA
12.8km (8.0 miles) ⓘMaple Lode Mine (Maple claim), Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
13.7km (8.5 miles) ⓘMountain Lily Mine (Emeralite No. 2 claim; Gem Mine No. 1 claim; Ware mine), Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
14.0km (8.7 miles) ⓘClark Extension prospect, Ditch Mountain, Rincon, Rincon Mining District, San Diego County, California, USA
14.1km (8.8 miles) ⓘCalac prospect, Rincon Mountain, Rincon, Rincon Mining District, San Diego County, California, USA
References
Fisher, J., E. E. Foord, and G. A. Bricker, 1999. The geology, mineralogy, and history of the Himalaya mine, Mesa Grande, San Diego County, California. California Geology 52(1):3-18.
Foord, E. E., Starkey, H. C., and Taggart, J. E., Jr. (1986) Mineralogy and paragenesis of "pocket" clays and associated minerals in complex granitic pegmatites, San Diego, California. American Mineralogist, 71, 428-439.
 
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 07:24:01
Go to top of page