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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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Hancock Clay deposit, Riverside, Riverside County, California, USAi
Regional Level Types
Hancock Clay depositDeposit
RiversideCity
Riverside CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
33° 55' 17'' North , 117° 23' 26'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Riverside322,424 (2017)3.6km
Woodcrest14,347 (2011)5.3km
Rubidoux34,280 (2011)8.4km
Pedley12,672 (2011)9.9km
Sunnyslope5,153 (2011)10.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
West End Prospectors CorporationNorco, California15km
Orange Belt Mineralogical SocietySan Bernardino, California23km
Valley Prospectors, Inc.San Bernardino, California23km
Yucaipa Valley Gem & Mineral SocietyYucaipa, California34km
Route 66 Gold Miners IncBrea, California47km
Mindat Locality ID:
87007
Long-form identifier:
mindat:1:2:87007:7
GUID (UUID V4):
0


A former clay deposit/mine located in sec. 10, T3S, R5W, SBM, 3.6 km (2.2 miles) S of Riverside city center, along the S side of Quarry Hill. MRDS database stated accuracy for this location is 100 meters.

Local rocks include Quaternary alluvium and marine deposits.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

List of minerals for each chemical element

Other Databases

Link to USGS MRDS:10285838

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America Plate
Pacific PlateTectonic Plate

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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