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San Luis Obispo, San Luis Obispo County, California, USAi
Regional Level Types
San Luis Obispo- not defined -
San Luis Obispo CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
35° 16' 58'' North , 120° 39' 31'' West
Latitude & Longitude (decimal):
35.28278,-120.65861
GeoHash:
G#: 9q60wr514
GRN:
N24W71
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
San Luis Obispo47,339 (2017)0.1km
Edna193 (2011)9.7km
Santa Margarita1,259 (2014)12.7km
Avila Beach1,627 (2011)13.2km
Pismo Beach8,162 (2017)15.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Central Coast Treasure Hunters AssociationSan Luis Obispo, California0km
San Luis Obispo Gem & Mineral ClubSan Luis Obispo, California0km
Santa Lucia RockhoundsPaso Robles, California38km
Orcutt Mineral SocietySanta Maria, California42km
Mindat Locality ID:
217850
Long-form identifier:
mindat:1:2:217850:2
GUID (UUID V4):
0


A 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

10 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Chlorite Group'
Colour: Green
Description: Occurs in masses.
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ 'Clay minerals'
ⓘ Erythrite
Formula: Co3(AsO4)2 · 8H2O
ⓘ Hausmannite
Formula: Mn2+Mn3+2O4
Description: Occurs as an alteration product of older Mn species.
ⓘ Lawsonite
Formula: CaAl2(Si2O7)(OH)2 · H2O
Habit: Platy
Description: Occurs as crystals in masses of green chlorite.
ⓘ Magnesiochromite
Formula: MgCr2O4
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ 'Psilomelane'
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ Rhodochrosite
Formula: MnCO3
ⓘ Spinel
Formula: MgAl2O4
Description: Ruby Spinel. Crystals to 0.5 carets, gemmy.
ⓘ Zaratite
Formula: Ni3(CO3)(OH)4 · 4H2O ?

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnesiochromite4.BB.05MgCr2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘHausmannite4.BB.10Mn2+Mn3+2O4
ⓘOpal4.DA.10SiO2 · nH2O
ⓘPyrolusite4.DB.05Mn4+O2
Group 5 - Nitrates and Carbonates
ⓘRhodochrosite5.AB.05MnCO3
ⓘZaratite5.DA.15Ni3(CO3)(OH)4 · 4H2O ?
Group 8 - Phosphates, Arsenates and Vanadates
ⓘErythrite8.CE.40Co3(AsO4)2 · 8H2O
Group 9 - Silicates
ⓘLawsonite9.BE.05CaAl2(Si2O7)(OH)2 · H2O
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Clay minerals'-
ⓘ'Psilomelane'-

List of minerals for each chemical element

HHydrogen
Hⓘ ErythriteCo3(AsO4)2 · 8H2O
Hⓘ LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Hⓘ OpalSiO2 · nH2O
Hⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
CCarbon
Cⓘ RhodochrositeMnCO3
Cⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
OOxygen
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ErythriteCo3(AsO4)2 · 8H2O
Oⓘ HausmanniteMn2+Mn23+O4
Oⓘ LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Oⓘ MagnesiochromiteMgCr2O4
Oⓘ OpalSiO2 · nH2O
Oⓘ PyrolusiteMn4+O2
Oⓘ RhodochrositeMnCO3
Oⓘ SpinelMgAl2O4
Oⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
MgMagnesium
Mgⓘ MagnesiochromiteMgCr2O4
Mgⓘ SpinelMgAl2O4
AlAluminium
Alⓘ LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Siⓘ OpalSiO2 · nH2O
CaCalcium
Caⓘ LawsoniteCaAl2(Si2O7)(OH)2 · H2O
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ MagnesiochromiteMgCr2O4
MnManganese
Mnⓘ HausmanniteMn2+Mn23+O4
Mnⓘ PyrolusiteMn4+O2
Mnⓘ RhodochrositeMnCO3
FeIron
Feⓘ ChromiteFe2+Cr23+O4
CoCobalt
Coⓘ ErythriteCo3(AsO4)2 · 8H2O
NiNickel
Niⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
AsArsenic
Asⓘ ErythriteCo3(AsO4)2 · 8H2O

Localities in this Region

USA
USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America Plate
Pacific PlateTectonic Plate

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

Cronise, T.F. (1868), The natural wealth of California, 696 pp. H.H. Bancroft Co., San Francisco: 593
Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 137.
Irelan, William, Jr. (1888b), Eighth annual report of the State Mineralogist [includes mineral resources of the State, with contributions by W.A. Goodyear, H.A. Whiting, and Stephen Bowers]: California Mining Bureau. Report 8, 946 pp.: 531.
Crawford, James John (1894), Twelfth report of the State Mineralogist: California Mining Bureau. Report 12: 37
Aubury, Lewis E. (1906), The structural and industrial materials of California: California Mining Bureau. Bulletin 38: 270
Harder, Edmund Cecil (1910), Some chromite deposits in western and central California: USGS Bulletin 430: 167.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 141, 391.
Ernst, W.G, Calvert, S.E. (1969) An experimental study of the recrystallization of porcelanite and its bearing on the origin of some bedded cherts. American Journal of Science 267-A, 114-133.p.121
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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