Twin Peaks, Calistoga, Napa County, California, USAi
| Regional Level Types | |
|---|---|
| Twin Peaks | Group of Peaks |
| Calistoga | - not defined - |
| Napa County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 38' 55'' North , 122° 31' 58'' West
Latitude & Longitude (decimal):
Type:
Group of Peaks
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Calistoga | 5,330 (2017) | 8.8km |
| Angwin | 3,051 (2011) | 10.8km |
| Middletown | 1,323 (2011) | 13.6km |
| Deer Park | 1,267 (2011) | 14.0km |
| Saint Helena | 5,814 (2013) | 16.8km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Santa Rosa Mineral And Gem Society, Inc. | Santa Rosa, California | 28km |
Mindat Locality ID:
220112
Long-form identifier:
mindat:1:2:220112:5
GUID (UUID V4):
9ba2f383-ea12-4cf0-8d58-c68f36fcf6fe
A summit located 8.7 km (5.4 miles) NNE of Calistoga.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded from this region.Mineral List
Mineral list contains entries from the region specified including sub-localities14 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 DiagramDetailed Mineral List:
| β Chromite Formula: Fe2+Cr3+2O4 |
| β Cinnabar Formula: HgS Localities: |
| β Coquimbite Formula: AlFe3(SO4)6(H2O)12 · 6H2O |
| β Dolomite Formula: CaMg(CO3)2 |
| β 'Limonite' |
| β Marcasite Formula: FeS2 |
| β Melanterite Formula: Fe2+(H2O)6SO4 · H2O |
| β Mercury Formula: Hg |
| β Metacinnabar Formula: HgS |
| β Millerite Formula: NiS |
| β Opal Formula: SiO2 · nH2O |
| β Pyrite Formula: FeS2 |
| β RΓΆmerite Formula: Fe2+Fe3+2(SO4)4 · 14H2O Colour: Light brown Description: Occurs as tiny crystals. |
| β Rozenite Formula: FeSO4 · 4H2O Colour: Pale blue-green Description: Occurs as a coating on black chert and silicified shale fragments. |
| β Saponite Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Mercury | 1.AD.05 | Hg |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Metacinnabar | 2.CB.05a | HgS |
| β | Millerite | 2.CC.20 | NiS |
| β | Cinnabar | 2.CD.15a | HgS |
| β | Pyrite | 2.EB.05a | FeS2 |
| β | Marcasite | 2.EB.10a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| β | Opal | 4.DA.10 | SiO2 Β· nH2O |
| Group 5 - Nitrates and Carbonates | |||
| β | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| β | Rozenite | 7.CB.15 | FeSO4 Β· 4H2O |
| β | Melanterite | 7.CB.35 | Fe2+(H2O)6SO4 Β· H2O |
| β | Coquimbite | 7.CB.55 | AlFe3(SO4)6(H2O)12 Β· 6H2O |
| β | RΓΆmerite | 7.CB.75 | Fe2+Fe3+2(SO4)4 Β· 14H2O |
| Group 9 - Silicates | |||
| β | Saponite | 9.EC.45 | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 Β· nH2O |
| Unclassified | |||
| β | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O |
| H | β Melanterite | Fe2+(H2O)6SO4 · H2O |
| H | β Opal | SiO2 · nH2O |
| H | β RΓΆmerite | Fe2+Fe23+(SO4)4 · 14H2O |
| H | β Rozenite | FeSO4 · 4H2O |
| H | β Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
| C | Carbon | |
| C | β Dolomite | CaMg(CO3)2 |
| O | Oxygen | |
| O | β Chromite | Fe2+Cr23+O4 |
| O | β Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O |
| O | β Dolomite | CaMg(CO3)2 |
| O | β Melanterite | Fe2+(H2O)6SO4 · H2O |
| O | β Opal | SiO2 · nH2O |
| O | β RΓΆmerite | Fe2+Fe23+(SO4)4 · 14H2O |
| O | β Rozenite | FeSO4 · 4H2O |
| O | β Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
| Mg | Magnesium | |
| Mg | β Dolomite | CaMg(CO3)2 |
| Mg | β Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
| Al | Aluminium | |
| Al | β Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O |
| Al | β Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
| Si | Silicon | |
| Si | β Opal | SiO2 · nH2O |
| Si | β Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
| S | Sulfur | |
| S | β Cinnabar | HgS |
| S | β Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O |
| S | β Marcasite | FeS2 |
| S | β Melanterite | Fe2+(H2O)6SO4 · H2O |
| S | β Metacinnabar | HgS |
| S | β Millerite | NiS |
| S | β Pyrite | FeS2 |
| S | β RΓΆmerite | Fe2+Fe23+(SO4)4 · 14H2O |
| S | β Rozenite | FeSO4 · 4H2O |
| Ca | Calcium | |
| Ca | β Dolomite | CaMg(CO3)2 |
| Ca | β Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
| Cr | Chromium | |
| Cr | β Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | β Chromite | Fe2+Cr23+O4 |
| Fe | β Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O |
| Fe | β Marcasite | FeS2 |
| Fe | β Melanterite | Fe2+(H2O)6SO4 · H2O |
| Fe | β Pyrite | FeS2 |
| Fe | β RΓΆmerite | Fe2+Fe23+(SO4)4 · 14H2O |
| Fe | β Rozenite | FeSO4 · 4H2O |
| Fe | β Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
| Ni | Nickel | |
| Ni | β Millerite | NiS |
| Hg | Mercury | |
| Hg | β Cinnabar | HgS |
| Hg | β Mercury | Hg |
| Hg | β Metacinnabar | HgS |
Localities in this Region
- California
- Napa County
- Calistoga
- Napa County
Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Franciscan DomainDomain
USA
- California
- Mayacamas MountainsMountain Range
- Napa County
- Calistoga Mining District (Silverado Mining District)Mining District
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