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

Cinnabar from
Farm Hill No. 2 Mine (Emerald Lake Mine; Upper Emerald Lake deposit; Farm Hill Cinnabar property), Redwood City, San Mateo County, California, USA


Locality type:Mine
Classification
Species:Cinnabar
Formula:HgS
Comments:Occurs in vugs in silica-carbonate rock.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Metacinnabar
Native Mercury
Terlinguaite
Associated Minerals Based on Photo Data:
Calomel2
Native Mercury2
Magnesiochromite2
Eglestonite2
Data
Mineral Data:Click here to view Cinnabar data
Locality Data:Click here to view Farm Hill No. 2 Mine (Emerald Lake Mine; Upper Emerald Lake deposit; Farm Hill Cinnabar property), Redwood City, San Mateo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:535666
Long-form Identifier:1:3:535666:9
GUID (UUID V4):0
Nearest other occurrences of Cinnabar
1.4km (0.9 miles) Challenge deposit, Redwood City, San Mateo County, California, USA
5.1km (3.2 miles) Sharon Park Drive outcrop, Sharon Heights, Menlo Park, San Mateo County, California, USA
11.3km (7.0 miles) Unnamed Hg occurrence [4], El Corte de Madera Rancho, Portola Valley, San Mateo County, California, USA
37.9km (23.5 miles) Unnamed Hg occurrence [1], Divisadero Street near McAllister Street, Lower Haight neighborhood, San Francisco, San Francisco County, California, USA
39.2km (24.4 miles) Hillsdale Mine (Chaboya-Hillsdale Mine; San Juan Bautista Mine; San Juan Mine; San Juan Quicksilver Mine; Sheboya Mine; Chapman Mine; Oak Hill Mine), Oak Hill, San Jose, Santa Clara County, California, USA
41.2km (25.6 miles) Guadalupe Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
41.7km (25.9 miles) Senator Mine (El Senador), New Almaden, New Almaden Mining District, Santa Clara County, California, USA
43.2km (26.8 miles) San Antonio Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
43.5km (27.0 miles) San Mateo Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
44.5km (27.6 miles) Brainard occurrence (James Ranch occurrence), New Almaden, New Almaden Mining District, Santa Clara County, California, USA
References
 
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 11:00:30
Go to top of page