Rocky Ridge Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USAi
| Regional Level Types | |
|---|---|
| Rocky Ridge Mine | Mine |
| Fourmile | Unincorporated Community |
| Custer Mining District | Mining District |
| Custer County | County |
| South Dakota | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
43° 43' 29'' North , 103° 38' 30'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Custer | 1,952 (2017) | 5.8km |
| Pringle | 109 (2017) | 13.5km |
| Hill City | 995 (2017) | 23.7km |
| Keystone | 343 (2017) | 26.1km |
| Hot Springs | 3,532 (2017) | 35.2km |
Mindat Locality ID:
19759
Long-form identifier:
mindat:1:2:19759:4
GUID (UUID V4):
24e1c35f-57a1-4bed-bb39-cd15165e673d
Ref.: Rocks & Min.: 57:155; Roberts & Rapp (1965). A mine in pegmatite located 4 miles SW of Custer at Fourmile.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| β Beryl Formula: Be3Al2(Si6O18) References: |
| β Chrysoberyl Formula: BeAl2O4 References: |
| β 'Feldspar Group' References: |
| β Muscovite Formula: KAl2(AlSi3O10)(OH)2 References: |
| β Quartz Formula: SiO2 References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| β | Chrysoberyl | 4.BA.05 | BeAl2O4 |
| β | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| β | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| β | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| β | 'Feldspar Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Be | Beryllium | |
| Be | β Beryl | Be3Al2(Si6O18) |
| Be | β Chrysoberyl | BeAl2O4 |
| O | Oxygen | |
| O | β Beryl | Be3Al2(Si6O18) |
| O | β Chrysoberyl | BeAl2O4 |
| O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | β Quartz | SiO2 |
| Al | Aluminium | |
| Al | β Beryl | Be3Al2(Si6O18) |
| Al | β Chrysoberyl | BeAl2O4 |
| Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | β Beryl | Be3Al2(Si6O18) |
| Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | β Quartz | SiO2 |
| K | Potassium | |
| K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
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.
