Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of 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

Fornacite from
Old Yuma Mine, Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Fornacite
Formula:Pb2Cu(CrO4)(AsO4)(OH)
Comments:Occurs on hematite and quartz.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Hematite
Quartz
Data
Mineral Data:Click here to view Fornacite data
Locality Data:Click here to view Old Yuma Mine, Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:43857
Long-form Identifier:1:3:43857:7
GUID (UUID V4):0
Nearest other occurrences of Fornacite
2.1km (1.3 miles) Gila Monster Mine, Jaynes, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
59.9km (37.2 miles) Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth Mining District, Pinal County, Arizona, USA
60.9km (37.8 miles) Omega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA
66.8km (41.5 miles) Copper Point Mine (Copper Point prospect), Hilton Mines, Copper Camp, Hilton (Lead Mountain), Empire Mining District, Empire Mountains, Pima County, Arizona, USA
68.3km (42.4 miles) Total Wreck Mine, Cienega Creek, The Narrows, Empire Mining District, Empire Mountains, Pima County, Arizona, USA
78.8km (49.0 miles) Silver Reef Mine (Reef Mine; Cholla Mine; Silver Nugget Mine), White Horse Pass area, Silver Reef Mountains area, Chuichu area, Tat Momoli Mountains, Silver Reef Mining District, Pinal County, Arizona, USA
88.2km (54.8 miles) 79 Mine, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA
90.8km (56.4 miles) Unnamed Pb-Cu-Ag-Au-Zn-W prospect, Tres Alamos Wash, Johnny Lyon Hills, Yellowstone Mining District, Cochise County, Arizona, USA
92.4km (57.4 miles) Reward Mine (Bat tunnel; South Reward; Petrochis claim; Phenomenon), Kohatk, Vekol Mining District, Vekol Mountains, Pinal County, Arizona, USA
92.6km (57.6 miles) Vekol Hills project (Vekol Hills; Newmont Vekol), Kohatk, Vekol Mining District, Vekol Mountains, Pinal County, Arizona, 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 3, 2026 06:44:41
Go to top of page