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Robertson Clay Mine, Apple Valley, San Bernardino County, California, USAi
Regional Level Types
Robertson Clay MineMine
Apple ValleyValley
San Bernardino CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
34° 28' 11'' North , 117° 6' 28'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Apple Valley72,174 (2017)7.9km
Lucerne Valley5,811 (2011)13.1km
Spring Valley Lake8,220 (2017)14.9km
Hesperia93,295 (2017)18.3km
Victorville122,225 (2017)18.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Victor Valley Gem and Mineral ClubVictorville, California18km
Orange Belt Mineralogical SocietySan Bernardino, California44km
Valley Prospectors, Inc.San Bernardino, California44km
Mojave Desert Gem & Mineral SocietyBarstow, California48km
Yucaipa Valley Gem & Mineral SocietyYucaipa, California49km
Mindat Locality ID:
89391
Long-form identifier:
mindat:1:2:89391:7
GUID (UUID V4):
10b3576e-9006-42db-bbb7-3f9b0631fce9


A clay (montmorillonite) deposit/mine located in sec. 32, T5N, R2W, SBM, 7.9 km (4.9 miles) ESE of Apple Valley (town) in Apple Valley (valley). Owned & operated by the U.S. Tile Compnay, California (1991). MRDS database stated accuracy for this location is 100 meters.

Local rocks include Quaternary alluvium and marine deposits.

Workings include unspecified surface openings.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


1 valid mineral.

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

Detailed Mineral List:

Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

List of minerals for each chemical element

HHydrogen
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
OOxygen
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
SiSilicon
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
CaCalcium
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

Other Databases

Link to USGS MRDS:10213523

Other Regions, Features and Areas containing this locality


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

 
Mineral and/or Locality  
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