Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle 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

Opal from
Unnamed Locality, Farrell Mining District, Pershing County, Nevada, USA


Locality type:Mineral Occurrence Area
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Pseudobrookite2
Hematite1
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Unnamed Locality, Farrell Mining District, Pershing County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:1338162
Long-form Identifier:1:3:1338162:2
GUID (UUID V4):0
Nearest other occurrences of Opal
34.9km (21.7 miles) Peterson Pit, Sulphur Mining District, Humboldt County, Nevada, USA
35.0km (21.8 miles) Humboldt Sulphur Company Mine, Rabbit Hole Mining District, Humboldt County, Nevada, USA
35.8km (22.2 miles) Hycroft Mine, Sulphur, Sulphur Mining District, Humboldt County, Nevada, USA
38.1km (23.7 miles) Florida Canyon mine, Imlay Mining District, Pershing County, Nevada, USA
44.6km (27.7 miles) Unnamed Zeolite deposit [1], Lovelock, Antelope Mining District, Pershing County, Nevada, USA
60.5km (37.6 miles) Red Bird Mine, Antelope Springs Mining District, Pershing County, Nevada, USA
61.1km (38.0 miles) Wind Mountain Mine, San Emidio Mining District, Washoe County, Nevada, USA
62.7km (38.9 miles) San Emidio prospect (Mud Flat prospect), San Emidio Mining District, Washoe County, Nevada, USA
69.6km (43.2 miles) Kyle Hot Springs, Buena Vista Valley, Pershing County, Nevada, USA
71.8km (44.6 miles) Sage Hen Springs Prospect, Nightingale Mining District, Pershing County, Nevada, 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 5, 2026 01:25:40
Go to top of page