Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
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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Oakland, Oakland Hills (San Leandro Hills), Alameda County, California, USAi
Regional Level Types
OaklandCity
Oakland Hills (San Leandro Hills)Group of Hills
Alameda CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
01081280017271925886533.jpg
Pentahydrite

Alma Mine, Leona Heights deposit, Leona Heights, Oakland, Oakland Hills, Alameda County, California, USA
05844200017272055059379.jpg
Goethite

Leona Quarry, Leona Heights, Oakland, Oakland Hills, Alameda County, California, USA
03891810017272010664324.jpg
Aragonite

Bay Area Rapid Transit Tunnel [BART], Oakland, Oakland Hills, Alameda County, California, USA
05973140017271925726136.jpg
Pentahydrite

Alma Mine, Leona Heights deposit, Leona Heights, Oakland, Oakland Hills, Alameda County, California, USA
05844200017272055059379.jpg
Goethite

Leona Quarry, Leona Heights, Oakland, Oakland Hills, Alameda County, California, USA
03891810017272010664324.jpg
Aragonite

Bay Area Rapid Transit Tunnel [BART], Oakland, Oakland Hills, Alameda County, California, USA
01081280017271925886533.jpg
Pentahydrite

Alma Mine, Leona Heights deposit, Leona Heights, Oakland, Oakland Hills, Alameda County, California, USA
05844200017272055059379.jpg
Goethite

Leona Quarry, Leona Heights, Oakland, Oakland Hills, Alameda County, California, USA
Type:
City
Largest Settlements:
PlacePopulation
Oakland419,267 (2017)
Mindat Locality ID:
24919
Long-form identifier:
mindat:1:2:24919:8
GUID (UUID V4):
0


Oakland is a major city in the East Bay region of the San Francisco Bay Area that was incorporated in 1852. It is the largest city and the county seat of Alameda County and a major port city.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

21 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Alunogen
Formula: Al2(SO4)3 · 17H2O
Colour: White
Description: Pulverulent material.
ⓘ Aragonite
Formula: CaCO3
ⓘ Baryte
Formula: BaSO4
ⓘ Boothite (TL)
Formula: Cu2+(H2O)6(SO4) · H2O
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Chalcanthite
Formula: CuSO4 · 5H2O
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
Description: Occurs in small amounts in massive pyrite.
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
Description: Short-fiber material.
ⓘ Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
ⓘ Epsomite
Formula: MgSO4 · 7H2O
Description: Occurs as efflorescences on walls.
ⓘ Halotrichite
Formula: Fe2+Al2(SO4)4 · 22H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ Hexahydrite
Formula: Mg(H2O)6(SO4)
ⓘ Kröhnkite
Formula: Na2Cu(SO4)2 · 2H2O
ⓘ 'Limonite'
ⓘ Melanterite
Formula: Fe2+(H2O)6(SO4) · H2O
Description: Occurs on mine walls (post-mining product).
ⓘ Melanterite var. Copper-bearing Melanterite
Formula: (Fe,Cu)SO4 · 7H2O
Description: A secondary mineral (post-mining) forming on mine walls.
ⓘ 'Mica Group'
ⓘ Native Copper
Formula: Cu
Description: Occurs as fine arborescent groups of crystals.
ⓘ Pentahydrite
Formula: MgSO4 · 5H2O
ⓘ Pyrite
Formula: FeS2
ⓘ Römerite
Formula: Fe2+Fe3+2(SO4)4 · 14H2O
ⓘ Sphalerite
Formula: ZnS

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
Group 5 - Nitrates and Carbonates
ⓘAragonite5.AB.15CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘChalcanthite7.CB.20CuSO4 · 5H2O
ⓘPentahydrite7.CB.20MgSO4 · 5H2O
ⓘHexahydrite7.CB.25Mg(H2O)6(SO4)
ⓘBoothite (TL)7.CB.35Cu2+(H2O)6(SO4) · H2O
ⓘMelanterite7.CB.35Fe2+(H2O)6(SO4) · H2O
ⓘvar. Copper-bearing Melanterite7.CB.35(Fe,Cu)SO4 · 7H2O
ⓘEpsomite7.CB.40MgSO4 · 7H2O
ⓘAlunogen7.CB.45Al2(SO4)3 · 17H2O
ⓘRömerite7.CB.75Fe2+Fe3+2(SO4)4 · 14H2O
ⓘHalotrichite7.CB.85Fe2+Al2(SO4)4 · 22H2O
ⓘKröhnkite7.CC.30Na2Cu(SO4)2 · 2H2O
ⓘCopiapite7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
Unclassified
ⓘ'Limonite'-
ⓘ'Mica Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ AlunogenAl2(SO4)3 · 17H2O
Hⓘ BoothiteCu2+(H2O)6(SO4) · H2O
Hⓘ ChalcanthiteCuSO4 · 5H2O
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Hⓘ EpsomiteMgSO4 · 7H2O
Hⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Hⓘ HexahydriteMg(H2O)6(SO4)
Hⓘ KröhnkiteNa2Cu(SO4)2 · 2H2O
Hⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Hⓘ PentahydriteMgSO4 · 5H2O
Hⓘ RömeriteFe2+Fe23+(SO4)4 · 14H2O
Hⓘ Melanterite var. Copper-bearing Melanterite(Fe,Cu)SO4 · 7H2O
CCarbon
Cⓘ AragoniteCaCO3
OOxygen
Oⓘ AlunogenAl2(SO4)3 · 17H2O
Oⓘ AragoniteCaCO3
Oⓘ BaryteBaSO4
Oⓘ BoothiteCu2+(H2O)6(SO4) · H2O
Oⓘ ChalcanthiteCuSO4 · 5H2O
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Oⓘ EpsomiteMgSO4 · 7H2O
Oⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Oⓘ HematiteFe2O3
Oⓘ HexahydriteMg(H2O)6(SO4)
Oⓘ KröhnkiteNa2Cu(SO4)2 · 2H2O
Oⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Oⓘ PentahydriteMgSO4 · 5H2O
Oⓘ RömeriteFe2+Fe23+(SO4)4 · 14H2O
Oⓘ Melanterite var. Copper-bearing Melanterite(Fe,Cu)SO4 · 7H2O
NaSodium
Naⓘ KröhnkiteNa2Cu(SO4)2 · 2H2O
MgMagnesium
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ EpsomiteMgSO4 · 7H2O
Mgⓘ HexahydriteMg(H2O)6(SO4)
Mgⓘ PentahydriteMgSO4 · 5H2O
AlAluminium
Alⓘ AlunogenAl2(SO4)3 · 17H2O
Alⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
SiSilicon
Siⓘ ChrysotileMg3(Si2O5)(OH)4
SSulfur
Sⓘ AlunogenAl2(SO4)3 · 17H2O
Sⓘ BaryteBaSO4
Sⓘ BoothiteCu2+(H2O)6(SO4) · H2O
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcanthiteCuSO4 · 5H2O
Sⓘ ChalcociteCu2S
Sⓘ CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Sⓘ EpsomiteMgSO4 · 7H2O
Sⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Sⓘ HexahydriteMg(H2O)6(SO4)
Sⓘ KröhnkiteNa2Cu(SO4)2 · 2H2O
Sⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Sⓘ PentahydriteMgSO4 · 5H2O
Sⓘ PyriteFeS2
Sⓘ RömeriteFe2+Fe23+(SO4)4 · 14H2O
Sⓘ SphaleriteZnS
Sⓘ Melanterite var. Copper-bearing Melanterite(Fe,Cu)SO4 · 7H2O
CaCalcium
Caⓘ AragoniteCaCO3
FeIron
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Feⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Feⓘ HematiteFe2O3
Feⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Feⓘ PyriteFeS2
Feⓘ RömeriteFe2+Fe23+(SO4)4 · 14H2O
Feⓘ Melanterite var. Copper-bearing Melanterite(Fe,Cu)SO4 · 7H2O
CuCopper
Cuⓘ BoothiteCu2+(H2O)6(SO4) · H2O
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcanthiteCuSO4 · 5H2O
Cuⓘ ChalcociteCu2S
Cuⓘ Native CopperCu
Cuⓘ KröhnkiteNa2Cu(SO4)2 · 2H2O
Cuⓘ Melanterite var. Copper-bearing Melanterite(Fe,Cu)SO4 · 7H2O
ZnZinc
Znⓘ SphaleriteZnS
BaBarium
Baⓘ BaryteBaSO4

Fossils

There are 18 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences18
Youngest Fossil Listed0.01 Ma (Pleistocene)
Oldest Fossil Listed23.0 Ma (Miocene)
Stratigraphic Units
UnitNo. OccurrencesAge
San Antonio111.8 - 0.3 Ma (Pleistocene)
Fernando13.6 - 2.588 Ma (Cenozoic)
Temblor113.82 - 5.333 Ma (Miocene)
Orinda323.03 - 5.333 Ma (Miocene)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Aves
class		Animalia : Chordata : Aves1.8 - 0.3 Ma
Pleistocene
Taricha
genus		Animalia : Chordata : Osteichthyes : Caudata : Salamandridae : Taricha1.8 - 0.3 Ma
Pleistocene
Rana
genus		Animalia : Chordata : Amphibia : Anura : Ranidae : Rana1.8 - 0.3 Ma
Pleistocene
Colubridae
family		Animalia : Chordata : Reptilia : Squamata : Colubridae1.8 - 0.3 Ma
Pleistocene
Sciuridae
family		Animalia : Chordata : Mammalia : Rodentia : Sciuridae1.8 - 0.3 Ma
Pleistocene
Odocoileus
genus		Animalia : Chordata : Mammalia : Artiodactyla : Cervidae : Odocoileus1.8 - 0.3 Ma
Pleistocene
Equus
genus		Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equus1.8 - 0.3 Ma
Pleistocene
Proboscidea
order		Animalia : Chordata : Mammalia : Proboscidea1.8 - 0.3 Ma
Pleistocene
Emydinae
subfamily		Animalia : Chordata : Reptilia : Testudines : Emydidae : Emydinae1.8 - 0.3 Ma
Pleistocene
Equinae
subfamily		Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equinae23.03 - 5.333 Ma
Miocene
Hipparionini
tribe		Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hipparionini23.03 - 5.333 Ma
Miocene
Odobenus rosmarus
species		Animalia : Chordata : Mammalia : Carnivora : Odobenidae : Odobenus : Odobenus rosmarus0.126 - 0.0117 Ma
Pleistocene
Orthodon
genus		Animalia : Chordata : Actinopterygii : Cypriniformes : Cyprinidae : Orthodon1.8 - 0.3 Ma
Pleistocene
Otariidae
family		Animalia : Chordata : Mammalia : Carnivora : Otariidae15.97 - 11.608 Ma
Miocene
Testudoolithus
genus		Animalia : Chordata : Reptilia : Testudines : Testudoolithidae : Testudoolithus15.97 - 5.333 Ma
Miocene
Astrodapsis fernandoensis
species		Animalia : Echinodermata : Echinoidea : Clypeasteroida : Echinarachniidae : Astrodapsis : Astrodapsis fernandoensis5.333 - 3.6 Ma
Neogene
Microtinae
subfamily		Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Microtinae1.8 - 0.3 Ma
Pleistocene
Mammut pacificus
species		Animalia : Chordata : Mammalia : Proboscidea : Mammutidae : Mammut : Mammut pacificus0.3 - 0.012 Ma
Pleistocene
Fossil LocalitiesClick to show 7 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Oakland,_California
Wikidata ID:Q17042
GeoNames ID:5378538

Localities in this Region

USA

Other Regions, Features and Areas that Intersect

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.
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