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

Native Copper from
Great Western Mine (Iron Star Mine), Crystal Falls, Iron County, Michigan, USA


Locality type:Mine
Classification
Species:Native Copper
Formula:Cu
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Copper data
Locality Data:Click here to view Great Western Mine (Iron Star Mine), Crystal Falls, Iron County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:406274
Long-form Identifier:1:3:406274:5
GUID (UUID V4):0
Nearest other occurrences of Native Copper
23.0km (14.3 miles) ⓘCannon Mine (Bengal-Tully Mine), Stambaugh, Iron River, Iron County, Michigan, USA
46.9km (29.2 miles) ⓘCyclops Mine, Norway, Dickinson County, Michigan, USA
69.3km (43.0 miles) ⓘHolyoke Mine, Negaunee, Marquette County, Michigan, USA
74.7km (46.4 miles) ⓘFire Center Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Ishpeming Township, Marquette County, Michigan, USA
77.8km (48.3 miles) ⓘDead River, Marquette County, Michigan, USA
84.3km (52.4 miles) ⓘPings-Case prospect, Sands Township, Marquette County, Michigan, USA
84.6km (52.6 miles) ⓘUnnamed locality, Sands Township, Marquette County, Michigan, USA
84.7km (52.7 miles) ⓘCrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA
85.3km (53.0 miles) ⓘHuron River Uranium prospect (MRDS - 10171055), Huron River, Baraga County, Michigan, USA
86.3km (53.6 miles) ⓘDaniel Section 30 gold prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Powell Township, Marquette County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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 16:53:31
Go to top of page