Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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

Black Butte Mine, Aguila Mining District, Maricopa County, Arizona, USAi
Regional Level Types
Black Butte MineMine
Aguila Mining DistrictMining District
Maricopa CountyCounty
ArizonaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
33° 51' 14'' North , 113° 0' 47'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Aguila798 (2011)17.8km
Wickenburg6,806 (2017)29.1km
Morristown227 (2017)36.0km
Congress1,975 (2014)37.4km
Wittmann763 (2011)45.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Wickenburg Gem and Mineral SocietyWickenburg, Arizona29km
Mindat Locality ID:
106990
Long-form identifier:
mindat:1:2:106990:0
GUID (UUID V4):
0
Other/historical names associated with this locality:
Black Butte group; Aguila Celestite Mine; Milton Ray Mine; Milton Ray claims


Ref.: A.I.M.E. Transactions (1935): 362.

U.S. Atomic Energy Commission RME-157 (1970) Preliminary Reconnaissance for Uranium in Graham, Grant, Greenlee and Maricopa Counties, Arizona, 1950 to 1957.

Phillips, K.A. (1987), Arizona Industrial Minerals, Arizona Department of Mines and Mineral Resources Mineral Report 4.

Mining Journal: 13(1): 32.

U.S. Bureau of Mines card file.

US Atomic Energy Comm. file #172-484: 408.

USGS 15 minute Aguila topo. map.

Arizona Department of Mineral Resources (ADMR) Milton Ray Mine file.

Arizona Department of Mineral Resources (ADMR) "U" file.

MRDS database Dep. ID file #10027552, MRDS ID #M003341; and, Dep. ID #10162081, MRDS ID #TC35798, MAS ID #0040130169; and, Dep. ID #10234545, MRDS ID #M800270, MAS ID #0040130447; and, Dep. ID #10095783.

A former surface Sr-U-V mine. Discovered 1929 by Mr. Milton Ray.

Mineralization is a surface celestite deposit with prevalent silicification present. The ore zone is disturbed by faulting.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Celestine
Formula: SrSO4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Carnotite4.HB.05K2(UO2)2(VO4)2 · 3H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Celestine7.AD.35SrSO4

List of minerals for each chemical element

HHydrogen
H CarnotiteK2(UO2)2(VO4)2 · 3H2O
OOxygen
O CarnotiteK2(UO2)2(VO4)2 · 3H2O
O CelestineSrSO4
SSulfur
S CelestineSrSO4
KPotassium
K CarnotiteK2(UO2)2(VO4)2 · 3H2O
VVanadium
V CarnotiteK2(UO2)2(VO4)2 · 3H2O
SrStrontium
Sr CelestineSrSO4
UUranium
U CarnotiteK2(UO2)2(VO4)2 · 3H2O

Other Databases

Link to USGS MRDS:10027552

Other Regions, Features and Areas containing this locality


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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 7, 2026 09:09:36 Page updated: October 27, 2025 04:07:48
Go to top of page