LIVE REPORT! Munich Show 2026 - last updated 1 hour ago. Click here to watch.
Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USAi
Regional Level Types
Big Sandy CreekCreek
Bearpaw MountainsMountain Range
Hill CountyCounty
MontanaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
48° 34' 5'' North , 109° 48' 6'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Beaver Creek271 (2011)1.7km
Herron116 (2011)5.1km
West Havre316 (2011)5.7km
Havre9,834 (2017)8.9km
Havre North716 (2011)9.6km
Mindat Locality ID:
251237
Long-form identifier:
mindat:1:2:251237:5
GUID (UUID V4):
0


A stream.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

12 valid minerals. 2 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ 'Ancylite'
ⓘ Baryte
Formula: BaSO4
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Burbankite (TL)
Formula: (Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Type Locality:
Habit: To 3 cm
ⓘ Calcite
Formula: CaCO3
ⓘ Calkinsite-(Ce) (TL)
Formula: (Ce,La)2(CO3)3 · 4H2O
Type Locality:
Habit: Less than 1mm
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Galena
Formula: PbS
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'Lanthanite'
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Sanidine
Formula: K(AlSi3O8)
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘIlmenite4.CB.05Fe2+TiO3
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘBurbankite (TL)5.AC.30(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
ⓘCalkinsite-(Ce) (TL)5.CC.25(Ce,La)2(CO3)3 · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 9 - Silicates
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘSanidine9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Ancylite'-
ⓘ'Lanthanite'-

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2O
Hⓘ GoethiteFe3+O(OH)
CCarbon
Cⓘ Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Cⓘ CalciteCaCO3
Cⓘ Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2O
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ BaryteBaSO4
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Oⓘ CalciteCaCO3
Oⓘ Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2O
Oⓘ GoethiteFe3+O(OH)
Oⓘ IlmeniteFe2+TiO3
Oⓘ SanidineK(AlSi3O8)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ SanidineK(AlSi3O8)
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ SanidineK(AlSi3O8)
SSulfur
Sⓘ BaryteBaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ SanidineK(AlSi3O8)
CaCalcium
Caⓘ Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Caⓘ CalciteCaCO3
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ GoethiteFe3+O(OH)
Feⓘ IlmeniteFe2+TiO3
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
SrStrontium
Srⓘ Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
BaBarium
Baⓘ BaryteBaSO4
Baⓘ Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
LaLanthanum
Laⓘ Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2O
CeCerium
Ceⓘ Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Ceⓘ Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2O
PbLead
Pbⓘ GalenaPbS

Localities in this Region

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: October 22, 2026 21:16:42 Page updated: August 19, 2025 21:04:55
Go to top of page