Stepstone Prospect, Nespelem Mining District, Okanogan County, Washington, USAi
| Regional Level Types | |
|---|---|
| Stepstone Prospect | Prospect |
| Nespelem Mining District | Mining District |
| Okanogan County | County |
| Washington | State |
| USA | Country |
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Latitude & Longitude (WGS84):
48° 18' 26'' North , 118° 57' 47'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Nespelem | 256 (2017) | 15.6km |
| Nespelem Community | 253 (2011) | 15.8km |
| Keller | 234 (2011) | 32.7km |
| Elmer City | 240 (2017) | 34.4km |
| Coulee Dam | 1,093 (2017) | 38.0km |
Mindat Locality ID:
17281
Long-form identifier:
mindat:1:2:17281:4
GUID (UUID V4):
c0643ba4-019e-4d44-8d78-5e44dfd4bcee
Other/historical names associated with this locality:
Cabin Prospect; Idell Prospect
A nickel-chromium prospect near Stepstone Creek. It worked a 6' bed of limestone and a 15' body of serpentine enclosed in quartzite and argillite. Quartz lenses 1-12" wide in limestone are mineralized. Development includes a 60' shaft, a 35' shaft, and an open cut.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
10 valid minerals.
Detailed Mineral List:
| β Annabergite Formula: Ni3(AsO4)2 · 8H2O Habit: crusts Colour: bright green References: |
| β Antigorite Formula: Mg3(Si2O5)(OH)4 |
| β Chromite Formula: Fe2+Cr3+2O4 |
| β Erythrite Formula: Co3(AsO4)2 · 8H2O Habit: crusts Colour: pink References: |
| β 'Limonite' |
| β Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| β Muscovite var. Fuchsite Formula: K(Al,Cr)3Si3O10(OH)2 |
| β Pentlandite Formula: (NixFey)Ξ£9S8 |
| β Pyrite Formula: FeS2 |
| β Pyrrhotite Formula: Fe1-xS |
| β Quartz Formula: SiO2 |
| β 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
| β Zaratite Formula: Ni3(CO3)(OH)4 · 4H2O ? |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| β | Pentlandite | 2.BB.15 | (NixFey)Ξ£9S8 |
| β | Pyrrhotite | 2.CC.10 | Fe1-xS |
| β | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| β | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| β | Zaratite | 5.DA.15 | Ni3(CO3)(OH)4 Β· 4H2O ? |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| β | Annabergite | 8.CE.40 | Ni3(AsO4)2 Β· 8H2O |
| β | Erythrite | 8.CE.40 | Co3(AsO4)2 Β· 8H2O |
| Group 9 - Silicates | |||
| β | Muscovite var. Fuchsite | 9.EC.15 | K(Al,Cr)3Si3O10(OH)2 |
| β | 9.EC.15 | KAl2(AlSi3O10)(OH)2 | |
| β | Antigorite | 9.ED.15 | Mg3(Si2O5)(OH)4 |
| Unclassified | |||
| β | 'Limonite' | - | |
| β | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Annabergite | Ni3(AsO4)2 · 8H2O |
| H | β Antigorite | Mg3(Si2O5)(OH)4 |
| H | β Erythrite | Co3(AsO4)2 · 8H2O |
| H | β Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | β Zaratite | Ni3(CO3)(OH)4 · 4H2O ? |
| H | β Serpentine Subgroup | D3[Si2O5](OH)4 |
| C | Carbon | |
| C | β Zaratite | Ni3(CO3)(OH)4 · 4H2O ? |
| O | Oxygen | |
| O | β Annabergite | Ni3(AsO4)2 · 8H2O |
| O | β Antigorite | Mg3(Si2O5)(OH)4 |
| O | β Chromite | Fe2+Cr23+O4 |
| O | β Erythrite | Co3(AsO4)2 · 8H2O |
| O | β Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | β Quartz | SiO2 |
| O | β Zaratite | Ni3(CO3)(OH)4 · 4H2O ? |
| O | β Serpentine Subgroup | D3[Si2O5](OH)4 |
| Mg | Magnesium | |
| Mg | β Antigorite | Mg3(Si2O5)(OH)4 |
| Al | Aluminium | |
| Al | β Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | β Antigorite | Mg3(Si2O5)(OH)4 |
| Si | β Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | β Quartz | SiO2 |
| Si | β Serpentine Subgroup | D3[Si2O5](OH)4 |
| S | Sulfur | |
| S | β Pentlandite | (NixFey)Ξ£9S8 |
| S | β Pyrite | FeS2 |
| S | β Pyrrhotite | Fe1-xS |
| K | Potassium | |
| K | β Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Cr | Chromium | |
| Cr | β Chromite | Fe2+Cr23+O4 |
| Cr | β Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| Fe | Iron | |
| Fe | β Chromite | Fe2+Cr23+O4 |
| Fe | β Pentlandite | (NixFey)Ξ£9S8 |
| Fe | β Pyrite | FeS2 |
| Fe | β Pyrrhotite | Fe1-xS |
| Co | Cobalt | |
| Co | β Erythrite | Co3(AsO4)2 · 8H2O |
| Ni | Nickel | |
| Ni | β Annabergite | Ni3(AsO4)2 · 8H2O |
| Ni | β Pentlandite | (NixFey)Ξ£9S8 |
| Ni | β Zaratite | Ni3(CO3)(OH)4 · 4H2O ? |
| As | Arsenic | |
| As | β Annabergite | Ni3(AsO4)2 · 8H2O |
| As | β Erythrite | Co3(AsO4)2 · 8H2O |
Other Regions, Features and Areas containing this locality
North America
- Columbia MountainsMountain Range
North America PlateTectonic Plate
- Kootenay DomainDomain
USA
- Washington
- ⭔Colville Indian ReservationReservation
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References
