Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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

Calcite from
Horton Mine (Imperial Mine; Midnight Mine; Silver Chief Mine; True Fissure Mine), Durango & Moorlight Group (Durango & Moonlight Group), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Horton Mine (Imperial Mine; Midnight Mine; Silver Chief Mine; True Fissure Mine), Durango & Moorlight Group (Durango & Moonlight Group), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:784693
Long-form Identifier:1:3:784693:9
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.4km (0.3 miles) ⓘScratch Awl Mine, Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
0.4km (0.3 miles) ⓘMidnight Mine (Imperial), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
0.8km (0.5 miles) ⓘAlgonquin Mine, Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
0.8km (0.5 miles) ⓘSan Francisco Mine (Frisco Shaft), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
0.9km (0.6 miles) ⓘGem Mine (Part of Trout Group), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
1.6km (1.0 miles) ⓘRedemption Iron Mine, Franklin Hill Iron Deposit (Tarriff; Courtney Manganiferous Iron Deposit; Courtney Prospect), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
2.5km (1.5 miles) ⓘHope Mine, Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
2.7km (1.7 miles) ⓘPhilipsburg, Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
2.8km (1.7 miles) ⓘGranite-Bimetallic Mine, Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
7.7km (4.8 miles) ⓘLast Chance Claim (Last Chance Tailings), John Long Mountains Area, Granite County, Montana, USA
References
Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825
 
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 4, 2026 11:16:50
Go to top of page