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Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Homestretch Mines (Homestretch claims; Homestead claims; Homestead group of claims; Homestretch group of claims), Copper Mountain, Twentynine Palms Mining District, San Bernardino County, California, USAi
Regional Level Types
Homestretch Mines (Homestretch claims; Homestead claims; Homestead group of claims; Homestretch group of claims)Group of Mines
Copper MountainMountain
Twentynine Palms Mining DistrictMining District
San Bernardino CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
34° 9' 0'' North , 116° 11' 7'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Joshua Tree7,414 (2011)11.9km
Twentynine Palms26,025 (2017)12.2km
Yucca Valley21,600 (2017)23.0km
Sky Valley2,406 (2011)32.7km
Desert Edge3,822 (2011)34.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
First Class MinersYucca Valley, California23km
Hi-Desert Rockhounds of Morongo ValleyYucca Valley, California23km
Shadow Mountain Gem & Mineral SocietyPalm Springs, California49km
Mindat Locality ID:
88736
Long-form identifier:
mindat:1:2:88736:9
GUID (UUID V4):
0



A Th-U-REE occurrence located in secs. 19, T11N, R8E, SBM, 1.6 km (1.0 mile) ESE of Copper Mountain (coordinates of record) and 12.3 km (7.6 miles) W of Twentynine Palms, along the southern margin of Copper Mountain. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is hosted in granitic rocks. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings include unspecified underground openings (the topo map reflects 1 prospect pit symbol E of this point).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


Gallery:

List of minerals arranged by Strunz 10th Edition classification

Unclassified
'Monazite Group'-REE(PO4)

List of minerals for each chemical element

OOxygen
O Monazite GroupREE(PO4)
PPhosphorus
P Monazite GroupREE(PO4)

Other Regions, Features and Areas containing this locality

North AmericaContinent
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.

References

 
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