Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Crystal Peak Mine (Crystal Mine; Quartz Knob occurrence; Unnamed Quartz mine [1]), Quartz Knob, Dog Valley Mining District, Sierra Co., California, USAi
Regional Level Types
Crystal Peak Mine (Crystal Mine; Quartz Knob occurrence; Unnamed Quartz mine [1])Mine
Quartz Knob- not defined -
Dog Valley Mining DistrictMining District
Sierra Co.County
CaliforniaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Latitude & Longitude (WGS84):
39° 35' 45'' North , 120° 4' 36'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Verdi162 (2011)9.6km
Verdi1,415 (2011)11.4km
Cold Springs8,544 (2011)12.7km
Sierra Brooks478 (2011)13.0km
Mogul1,290 (2011)15.8km


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 Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Cuprotungstite
Formula: Cu2(WO4)(OH)2
Colour: Yellowish green
Description: Occurs as waxy masses of material in massive quartz.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 338.
Quartz
Formula: SiO2
Colour: Yellow
Description: Occurs as a few large clear crystals in pegmatite.
Reference: Symons, Henry Heilbronner (1940), Quartz gem stones of California: Rocks & Minerals: 15: 39-44; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 316; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 350.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Cuprotungstite7.GB.15Cu2(WO4)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
Basic Anhydrous Molybdates and Tungstates
Cuprotungstite48.3.2.1Cu2(WO4)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H CuprotungstiteCu2(WO4)(OH)2
OOxygen
O CuprotungstiteCu2(WO4)(OH)2
O QuartzSiO2
SiSilicon
Si QuartzSiO2
CuCopper
Cu CuprotungstiteCu2(WO4)(OH)2
WTungsten
W CuprotungstiteCu2(WO4)(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Symons, Henry Heilbronner (1940), Quartz gem stones of California: Rocks & Minerals: 15: 39-44.
U.S. Bureau of Mines Minerals Yearbook for 1957 (1958): volume 3.
U.S. Bureau of Mines Minerals Yearbook for 1958 (1959): volume 3.
U.S. Bureau of Mines Minerals Yearbook for 1959 (1960): volume 3.
U.S. Bureau of Mines Minerals Yearbook for 1960 (1961): volume 3.
U.S. Bureau of Mines Minerals Yearbook for 1961 (1962): volume 3.
U.S. Bureau of Mines Minerals Yearbook for 1962 (1963): volume 3.
U.S. Bureau of Mines Minerals Yearbook for 1963 (1964): volume 3.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 316.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 338, 350.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10111129 & 10286949.
U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060910568.

USGS MRDS Record:10111129

External Links


Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2020, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 9, 2020 01:53:05 Page generated: November 19, 2019 18:38:42
Go to top of page