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

Dolomite from
New Almaden Mine (New Almaden Mines), New Almaden, New Almaden Mining District, Santa Clara County, California, USA


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Comments:Occasionally occrs in veins in ore.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz3
Petroleum2
- var Bitumen2
Cinnabar1
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view New Almaden Mine (New Almaden Mines), New Almaden, New Almaden Mining District, Santa Clara County, California, USA
Data Identifiers
Mindat Occurrence Record ID:656527
Long-form Identifier:1:3:656527:5
GUID (UUID V4):0
Nearest other occurrences of Dolomite
0.1km (0.0 miles) ⓘHarry Area Mine (New Almaden - Harry Area), New Almaden, New Almaden Mining District, Santa Clara County, California, USA
0.4km (0.3 miles) ⓘCora Blanca Area Mine (New Almaden - Cora Blanca area), New Almaden, New Almaden Mining District, Santa Clara County, California, USA
0.7km (0.4 miles) ⓘSanta Mariana Area Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
4.1km (2.6 miles) ⓘSan Mateo Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
6.0km (3.7 miles) ⓘSenator Mine (El Senador), New Almaden, New Almaden Mining District, Santa Clara County, California, USA
6.3km (3.9 miles) ⓘBernal Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
6.5km (4.0 miles) ⓘGuadalupe Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
12.6km (7.8 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
48.8km (30.4 miles) ⓘChallenge deposit, Redwood City, San Mateo County, California, USA
56.0km (34.8 miles) ⓘCrowe deposit, Fremont Peak, Gabilan Range, San Benito County, California, USA
References
Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78, 389 pp.: 191.
Bailey, Edgar H. & Donald L. Everhart (1964), Geology and quicksilver deposits of the New Almaden district, Santa Clara County, California: USGS PP 360: 99
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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 03:51:34
Go to top of page