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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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Cajon Pass, San Bernardino County, California, USAi
Regional Level Types
Cajon PassPass
San Bernardino CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
08125400017272300073022.jpg
Cajun Pass

Cajon Pass, San Bernardino County, California, USA
05049220017272300085617.jpg
Cajun Pass

Cajon Pass, San Bernardino County, California, USA
08125400017272300073022.jpg
Cajun Pass

Cajon Pass, San Bernardino County, California, USA
05049220017272300085617.jpg
Cajun Pass

Cajon Pass, San Bernardino County, California, USA
08125400017272300073022.jpg
Cajun Pass

Cajon Pass, San Bernardino County, California, USA
05049220017272300085617.jpg
Cajun Pass

Cajon Pass, San Bernardino County, California, USA
Latitude & Longitude (WGS84):
34° 19' 32'' North , 117° 25' 39'' West
Latitude & Longitude (decimal):
34.32583,-117.42750
GeoHash:
G#: 9qh7rbgfk
GRN:
N23W70
Type:
Pass
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Mindat Locality ID:
212262
Long-form identifier:
mindat:1:2:212262:8
GUID (UUID V4):
0


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

1 valid mineral.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Description: Occurs in gravels as pebbles of actinolite schist.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

Localities in this Region

USA

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: 64.
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