Pleasant Valley Pegmatite, Fourmile, Custer Mining District, Custer County, South Dakota, USAi
| Regional Level Types | |
|---|---|
| Pleasant Valley Pegmatite | Pegmatite |
| Fourmile | Unincorporated Community |
| Custer Mining District | Mining District |
| Custer County | County |
| South Dakota | State |
| USA | Country |
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Latitude & Longitude (WGS84):
43° North , 103° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~4km
Type:
KΓΆppen climate type:
Mindat Locality ID:
16072
Long-form identifier:
mindat:1:2:16072:1
GUID (UUID V4):
6a30d257-d4da-4d5a-bd7a-6b053061ba13
Granite pegmatite. 1 mile (1.61 km) south of Fourmile.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
11 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| β Albite Formula: Na(AlSi3O8) |
| β Alluaudite ? Formula: (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 Description: Probably Ferroalluaudite-Naβ‘ |
| β Amblygonite Formula: LiAl(PO4)F |
| β Beryl Formula: Be3Al2(Si6O18) |
| β 'Columbite-Tantalite' |
| β 'Ferroalluaudite-Naβ‘' Formula: ◻4Na4Fe2+4Fe3+8(PO4)12 Description: Mn/Mn + Fe = 0.20-0.29 (magnesian) |
| β Heterosite Formula: (Fe3+,Mn3+)PO4 Description: Mn/Mn + Fe = 0.23 (magnesian) |
| β Microcline Formula: K(AlSi3O8) |
| β Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| β Quartz Formula: SiO2 |
| β Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| β Sphalerite Formula: ZnS |
| β Triphylite Formula: LiFe2+PO4 Description: Mn/Mn + Fe = 0.20 (magnesian) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| β | Sphalerite | 2.CB.05a | ZnS |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz | 4.DA.05 | SiO2 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| β | Heterosite | 8.AB.10 | (Fe3+,Mn3+)PO4 |
| β | Triphylite | 8.AB.10 | LiFe2+PO4 |
| β | Alluaudite ? | 8.AC.10 | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 |
| β | Amblygonite | 8.BB.05 | LiAl(PO4)F |
| Group 9 - Silicates | |||
| β | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| β | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| β | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| β | Microcline | 9.FA.30 | K(AlSi3O8) |
| β | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| β | 'Columbite-Tantalite' | - | |
| β | 'Ferroalluaudite-Naβ‘' | - | β»4Na4Fe2+4Fe3+8(PO4)12 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Li | Lithium | |
| Li | β Amblygonite | LiAl(PO4)F |
| Li | β Triphylite | LiFe2+PO4 |
| Be | Beryllium | |
| Be | β Beryl | Be3Al2(Si6O18) |
| B | Boron | |
| B | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | Oxygen | |
| O | β Albite | Na(AlSi3O8) |
| O | β Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 |
| O | β Amblygonite | LiAl(PO4)F |
| O | β Beryl | Be3Al2(Si6O18) |
| O | β Heterosite | (Fe3+,Mn3+)PO4 |
| O | β Microcline | K(AlSi3O8) |
| O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | β Quartz | SiO2 |
| O | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | β Triphylite | LiFe2+PO4 |
| O | β Ferroalluaudite-Naβ‘ | ◻4Na4Fe42+Fe83+(PO4)12 |
| F | Fluorine | |
| F | β Amblygonite | LiAl(PO4)F |
| Na | Sodium | |
| Na | β Albite | Na(AlSi3O8) |
| Na | β Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 |
| Na | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Na | β Ferroalluaudite-Naβ‘ | ◻4Na4Fe42+Fe83+(PO4)12 |
| Mg | Magnesium | |
| Mg | β Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 |
| Al | Aluminium | |
| Al | β Albite | Na(AlSi3O8) |
| Al | β Amblygonite | LiAl(PO4)F |
| Al | β Beryl | Be3Al2(Si6O18) |
| Al | β Microcline | K(AlSi3O8) |
| Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | Silicon | |
| Si | β Albite | Na(AlSi3O8) |
| Si | β Beryl | Be3Al2(Si6O18) |
| Si | β Microcline | K(AlSi3O8) |
| Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | β Quartz | SiO2 |
| Si | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| P | Phosphorus | |
| P | β Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 |
| P | β Amblygonite | LiAl(PO4)F |
| P | β Heterosite | (Fe3+,Mn3+)PO4 |
| P | β Triphylite | LiFe2+PO4 |
| P | β Ferroalluaudite-Naβ‘ | ◻4Na4Fe42+Fe83+(PO4)12 |
| S | Sulfur | |
| S | β Sphalerite | ZnS |
| K | Potassium | |
| K | β Microcline | K(AlSi3O8) |
| K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | β Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 |
| Mn | Manganese | |
| Mn | β Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 |
| Mn | β Heterosite | (Fe3+,Mn3+)PO4 |
| Fe | Iron | |
| Fe | β Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 |
| Fe | β Heterosite | (Fe3+,Mn3+)PO4 |
| Fe | β Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Fe | β Triphylite | LiFe2+PO4 |
| Fe | β Ferroalluaudite-Naβ‘ | ◻4Na4Fe42+Fe83+(PO4)12 |
| Zn | Zinc | |
| Zn | β Sphalerite | ZnS |
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References
