Twin Sisters Mountain, Sisters Mining District, Whatcom County, Washington, USAi
Regional Level Types | |
---|---|
Twin Sisters Mountain | Mining District |
Sisters Mining District | Mining District |
Whatcom County | County |
Washington | State |
USA | Country |
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Latitude & Longitude (WGS84):
48° 42' 38'' North , 121° 59' 35'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Mindat Locality ID:
17381
Long-form identifier:
mindat:1:2:17381:3
GUID (UUID V4):
1d538448-4438-4d6f-a2ad-b74310c88545
Dunites composing the majority of the Twin Sisters Mountains.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
β Anthophyllite Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
β Chromite Formula: Fe2+Cr3+2O4 |
β Clinochlore Formula: Mg5Al(AlSi3O10)(OH)8 |
β Clinochlore var. Chromium-bearing Clinochlore Formula: Mg5(Al,Cr)2Si3O10(OH)8 |
β Enstatite Formula: Mg2Si2O6 Description: rock forming mineral in dunites of the region |
β 'Fayalite-Forsterite Series' |
β Sepiolite Formula: Mg4(Si6O15)(OH)2 · 6H2O |
β 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
β Uvarovite Formula: Ca3Cr2(SiO4)3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
Group 9 - Silicates | |||
β | Uvarovite | 9.AD.25 | Ca3Cr2(SiO4)3 |
β | Enstatite | 9.DA.05 | Mg2Si2O6 |
β | Anthophyllite | 9.DD.05 | β»{Mg2}{Mg5}(Si8O22)(OH)2 |
β | Clinochlore | 9.EC.55 | Mg5Al(AlSi3O10)(OH)8 |
β | var. Chromium-bearing Clinochlore | 9.EC.55 | Mg5(Al,Cr)2Si3O10(OH)8 |
β | Sepiolite | 9.EE.25 | Mg4(Si6O15)(OH)2 Β· 6H2O |
Unclassified | |||
β | 'Fayalite-Forsterite Series' | - | |
β | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
H | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
H | β Clinochlore var. Chromium-bearing Clinochlore | Mg5(Al,Cr)2Si3O10(OH)8 |
H | β Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
H | β Serpentine Subgroup | D3[Si2O5](OH)4 |
O | Oxygen | |
O | β Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
O | β Chromite | Fe2+Cr23+O4 |
O | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
O | β Enstatite | Mg2Si2O6 |
O | β Clinochlore var. Chromium-bearing Clinochlore | Mg5(Al,Cr)2Si3O10(OH)8 |
O | β Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
O | β Uvarovite | Ca3Cr2(SiO4)3 |
O | β Serpentine Subgroup | D3[Si2O5](OH)4 |
Mg | Magnesium | |
Mg | β Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
Mg | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
Mg | β Enstatite | Mg2Si2O6 |
Mg | β Clinochlore var. Chromium-bearing Clinochlore | Mg5(Al,Cr)2Si3O10(OH)8 |
Mg | β Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
Al | Aluminium | |
Al | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
Al | β Clinochlore var. Chromium-bearing Clinochlore | Mg5(Al,Cr)2Si3O10(OH)8 |
Si | Silicon | |
Si | β Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
Si | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
Si | β Enstatite | Mg2Si2O6 |
Si | β Clinochlore var. Chromium-bearing Clinochlore | Mg5(Al,Cr)2Si3O10(OH)8 |
Si | β Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
Si | β Uvarovite | Ca3Cr2(SiO4)3 |
Si | β Serpentine Subgroup | D3[Si2O5](OH)4 |
Ca | Calcium | |
Ca | β Uvarovite | Ca3Cr2(SiO4)3 |
Cr | Chromium | |
Cr | β Chromite | Fe2+Cr23+O4 |
Cr | β Clinochlore var. Chromium-bearing Clinochlore | Mg5(Al,Cr)2Si3O10(OH)8 |
Cr | β Uvarovite | Ca3Cr2(SiO4)3 |
Fe | Iron | |
Fe | β Chromite | Fe2+Cr23+O4 |
Other Regions, Features and Areas containing this locality
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References
Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA.pages 47, 73, 74, 85