Vote for your favorite mineral in #MinCup26! - Cuprite vs. Halite
While externally similar shapes, these two minerals are very different inside.
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

Opal from
Inspiration Mine, Miami-Inspiration deposit, Inspiration, Miami-Inspiration Mining District, Gila County, Arizona, USA


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Comments:Occurs in oxidized zone as thin layers & in vugs with chrysocolla.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Chrysocolla
Malachite
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Inspiration Mine, Miami-Inspiration deposit, Inspiration, Miami-Inspiration Mining District, Gila County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:237918
Long-form Identifier:1:3:237918:0
GUID (UUID V4):0
Nearest other occurrences of Opal
9.3km (5.8 miles) ⓘDarius Mine, Buffalo Gulch, Globe Hills Mining District, Gila County, Arizona, USA
30.3km (18.8 miles) ⓘPicketpost Mountain, Superior, Pinal County, Arizona, USA
30.5km (18.9 miles) ⓘRay Mine, Scott Mountain, Pinal County, Arizona, USA
34.4km (21.4 miles) ⓘReymert Mine, Reymert Canyon, Mineral Mountain Mining District, Pinal County, Arizona, USA
36.0km (22.3 miles) ⓘRed Bluff Mine (Red Bluff prospect; Red Bluff claims; Claim MS 4788), Warm Spring Canyon, Asbestos Point (Asbestos Peak) area, Sierra Ancha Mining District, Sierra Ancha Mountains, Gila County, Arizona, USA
41.2km (25.6 miles) ⓘSkeleton Wash deposit, Skeleton Wash, San Carlos, Gila County, Arizona, USA
42.1km (26.1 miles) ⓘSkeleton Wash, San Carlos, Graham County, Arizona, USA
43.4km (27.0 miles) ⓘSan Carlos deposits, Peridot area [Gila County], Graham County, Arizona, USA
47.8km (29.7 miles) ⓘHope Mine (Hope deposit), Rose Creek Lodge area, Workman Creek Valley, Sierra Ancha Mining District, Sierra Ancha Mountains, Gila County, Arizona, USA
47.8km (29.7 miles) ⓘLost Dog claim (Lost Dog deposit; Lost Dog prospect; Lorian Mine; Melinda Mine; Via Development Co. property), Workman Creek, Rose Creek Lodge area, Sierra Ancha Mining District, Sierra Ancha Mountains, Gila County, Arizona, USA
References
Sun, Ming-Sban (1963) The nature of chrysocolla from Inspiration Mine, Arizona. American Mineralogist, 48 (5-6) 649-658
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.193
 
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 29, 2026 05:54:54
Go to top of page