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East Mount Hamilton area, Mount Hamilton, Black Wonder Mining District, Santa Clara County, California, USAi
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East Mount Hamilton areaArea
Mount HamiltonMountain
Black Wonder Mining DistrictMining District
Santa Clara CountyCounty
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USACountry

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08267170017532835491398.jpg
Alumohydrocalcite

East Mount Hamilton area, Mount Hamilton, Black Wonder Mining District, Santa Clara County, California, USA
08267170017532835491398.jpg
Alumohydrocalcite

East Mount Hamilton area, Mount Hamilton, Black Wonder Mining District, Santa Clara County, California, USA
08267170017532835491398.jpg
Alumohydrocalcite

East Mount Hamilton area, Mount Hamilton, Black Wonder Mining District, Santa Clara County, California, USA
Latitude & Longitude (WGS84):
37° 20' 57'' North , 121° 37' 55'' West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~0km
GRN:
N25W70
Type:
Area
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Mindat Locality ID:
215481
Long-form identifier:
mindat:1:2:215481:0
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


1 valid mineral.

Detailed Mineral List:

ⓘ Alumohydrocalcite
Formula: CaAl2(CO3)2(OH)4 · 4H2O
Colour: Pink
Description: Occurs as radiating structures as coatings on fracture surfaces of nickeliferous serpentine; also as isolated spheroidal groups, 0.1 to 1 mm, and earthy coatings.
ⓘ Alumohydrocalcite var. Chromium-bearing Alumohydrocalcite
Formula: Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
Colour: Pink
Description: Occurs as radiating structures as coatings on fracture surfaces of nickeliferous serpentine; also as isolated spheroidal groups, 0.1 to 1 mm, and earthy coatings.
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ 'Serpentine Subgroup var. Nickel-bearing Serpentine'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
ⓘAlumohydrocalcite5.DB.05CaAl2(CO3)2(OH)4 · 4H2O
ⓘvar. Chromium-bearing Alumohydrocalcite5.DB.05Ca(Al,Cr)2(CO3)2(OH)4 · 4H2O
Unclassified
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'var. Nickel-bearing Serpentine'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
Hⓘ AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ Alumohydrocalcite var. Chromium-bearing AlumohydrocalciteCa(Al,Cr)2(CO3)2(OH)4 · 4H2O
Hⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CCarbon
Cⓘ AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
Cⓘ Alumohydrocalcite var. Chromium-bearing AlumohydrocalciteCa(Al,Cr)2(CO3)2(OH)4 · 4H2O
OOxygen
Oⓘ AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Alumohydrocalcite var. Chromium-bearing AlumohydrocalciteCa(Al,Cr)2(CO3)2(OH)4 · 4H2O
Oⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
MgMagnesium
Mgⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Alⓘ AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
Alⓘ Alumohydrocalcite var. Chromium-bearing AlumohydrocalciteCa(Al,Cr)2(CO3)2(OH)4 · 4H2O
Alⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CaCalcium
Caⓘ AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2O
Caⓘ Alumohydrocalcite var. Chromium-bearing AlumohydrocalciteCa(Al,Cr)2(CO3)2(OH)4 · 4H2O
CrChromium
Crⓘ Alumohydrocalcite var. Chromium-bearing AlumohydrocalciteCa(Al,Cr)2(CO3)2(OH)4 · 4H2O
MnManganese
Mnⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Feⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Niⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Znⓘ Serpentine Subgroup var. Nickel-bearing SerpentineD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

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

Cooper, Joseph F., White, John Sampson, Dunning, Gail E. (1975) Chromian Alumohydrocalcite from California, and Knipovichite Discredited. The Mineralogical Record, 6 (4) 180-183
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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