Crystal Peak Mine (Crystal Mine; Quartz Knob occurrence; Unnamed Quartz mine [1]), Quartz Knob, Dog Valley Mining District, Sierra County, California, USAi
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Latitude & Longitude (WGS84):
39° 35' 45'' North , 120° 4' 36'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Verdi | 162 (2011) | 9.6km |
Verdi | 1,415 (2011) | 11.4km |
Cold Springs | 8,544 (2011) | 12.7km |
Sierra Brooks | 478 (2011) | 13.0km |
Mogul | 1,290 (2011) | 15.8km |
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 |
---|---|---|
Comstock Gold Prospectors | Reno, Nevada | 24km |
Reno Gem and Mineral Society | Reno, Nevada | 24km |
Mindat Locality ID:
93200
Long-form identifier:
mindat:1:2:93200:3
GUID (UUID V4):
abce8c9d-cb86-4071-a67b-8423c8a275bd
A former silica occurrence/mine and Cu-W occurrence located S of center sec. 10, T20N, R17E, MDM, 0.1 km (0.1 mile) N of Quartz Knob (summit) and 4.3 km (2.7 miles) NNE of Crystal Peak (coordinates of record), ½ mile N of Crystal Peak guard station, on National Forest land. MRDS database stated accuracy for this location is 1,000 meters. Operated during WWII for electronics grade quartz crystals.
Local rocks include Tertiary volcanic flow rocks, unit 17 (Cascade Range).
Workings include surface and underground openings.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
ⓘ Cuprotungstite Formula: Cu2(WO4)(OH)2 Colour: Yellowish green Description: Occurs as waxy masses of material in massive quartz. |
ⓘ Quartz Formula: SiO2 Colour: Yellow Description: Occurs as a few large clear crystals in pegmatite. References: |
ⓘ Scheelite Formula: Ca(WO4) |
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
ⓘ | Quartz | 4.DA.05 | SiO2 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
ⓘ | Cuprotungstite | 7.GB.15 | Cu2(WO4)(OH)2 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Cuprotungstite | Cu2(WO4)(OH)2 |
O | Oxygen | |
O | ⓘ Cuprotungstite | Cu2(WO4)(OH)2 |
O | ⓘ Quartz | SiO2 |
O | ⓘ Scheelite | Ca(WO4) |
Si | Silicon | |
Si | ⓘ Quartz | SiO2 |
Ca | Calcium | |
Ca | ⓘ Scheelite | Ca(WO4) |
Cu | Copper | |
Cu | ⓘ Cuprotungstite | Cu2(WO4)(OH)2 |
W | Tungsten | |
W | ⓘ Cuprotungstite | Cu2(WO4)(OH)2 |
W | ⓘ Scheelite | Ca(WO4) |
Other Databases
Link to USGS MRDS: | 10111129 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Northern Basin and RangeWide Rift
- Shoofly-Olds Ferry DomainDomain
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060910568
Crystal Peak Mine, Quartz Knob, Dog Valley Mining District, Sierra County, California, USA