Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
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Roadcut on highway to Lower Lake, Middletown, East Mayacmas Mining District, Lake County, California, USAi
Regional Level Types
Roadcut on highway to Lower LakeLake
Middletown- not defined -
East Mayacmas Mining DistrictMining District
Lake CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° North , 122° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~8km
GRN:
N26W69
Type:
Lake
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Mindat Locality ID:
211110
Long-form identifier:
mindat:1:2:211110:3
GUID (UUID V4):
0


An occurrence on the highway to Lower Lake from Middletown, about 1½ miles E of Middletown.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘPectolite9.DG.05NaCa2Si3O8(OH)
Unclassified
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ PectoliteNaCa2Si3O8(OH)
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ PectoliteNaCa2Si3O8(OH)
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
NaSodium
Naⓘ PectoliteNaCa2Si3O8(OH)
SiSilicon
Siⓘ PectoliteNaCa2Si3O8(OH)
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ PectoliteNaCa2Si3O8(OH)

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

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 284
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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