Vote for your favorite mineral in #MinCup26! - Arsenuranylite vs. Talc
It's a pair of soft and lovely minerals as Stichtite and Talc compete for 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

Cornwallite from
J.R. Robertson claim (Old Robertson claim; Old Robertson claims), Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA


04512110017363327956083.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
00250100017484330932555.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
09860140017271983384896.jpg
Cornwallite, etc.

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
01188500017272075216923.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
04512110017363327956083.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
04326620017477695105314.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
01117260017858108654793.jpg
Cornwallite, etc.

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
03882080017858108657746.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
09391610017364424239132.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
00250100017484330932555.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
09860140017271983384896.jpg
Cornwallite, etc.

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
01188500017272075216923.jpg
Cornwallite

J.R. Robertson claim, Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains, Yavapai County, Arizona, USA
Locality type:Claim
Classification
Species:Cornwallite
Formula:Cu5(AsO4)2(OH)4
Comments:Occurs as films and coatings.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Olivenite9
Quartz1
Clinoclase1
Data
Mineral Data:Click here to view Cornwallite data
Locality Data:Click here to view J.R. Robertson claim (Old Robertson claim; Old Robertson claims), Copper Mountain, Mayer, Agua Fria Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:246072
Long-form Identifier:1:3:246072:7
GUID (UUID V4):0
References
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.pages 177, 188
 
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 8, 2026 15:22:08
Go to top of page