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Pacoima Canyon pegmatite locality (Pacoima Canyon Allanite pegmatite; Allanite locality), Pacoima Canyon, Los Angeles County, California, USAi
Regional Level Types
Pacoima Canyon pegmatite locality (Pacoima Canyon Allanite pegmatite; Allanite locality)- not defined -
Pacoima CanyonCanyon
Los Angeles CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
34° 21' North , 118° 23' West
Latitude & Longitude (decimal):
34.35000,-118.38333
GRN:
N23W71
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
San Fernando24,931(2018)9.1km
Shadow Hills13,000(2018)10.2km
Sunland15,316(2018)11.9km
Tujunga26,527(2018)13.9km
Santa Clarita182,371(2017)15.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Sierra Pelona Rock ClubNewhall, California14km
Woodland Hills Rock Chippers, Inc.San Fernando Valley, California19km
Del Air Rockhounds ClubNorthridge, California20km
Mineralogical Society of Southern CaliforniaPasadena, California31km
Pasadena Lapidary SocietyPasadena, California31km
Mindat Locality ID:
25102
Long-form identifier:
mindat:1:2:25102:3
GUID (UUID V4):
0


A REE-U-Th occurrence located in the center W½W½ sec. 5, T3N, R14W, SBM.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Mineral List


10 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical ListTree Diagram

Detailed Mineral List:

ⓘAlbite
Formula:Na(AlSi3O8)
ⓘAlbite var. Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
ⓘAllanite-(Ce)
Formula:(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Description: Occurs as abundant rough tabular crystals & grains to 2 or 3 inches (5.0-7.5 cm) in a pegmatite.
ⓘ'Apatite'
Formula:Ca5(PO4)3(Cl/F/OH)
Description: Occurs as small euhedral crystals.
ⓘBeryl
Formula:Be3Al2(Si6O18)
Colour: Greenish white
Description: Occurs as small pale crystals.
ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Description: Occurs as crystals 15 cm x 1.5 meters.
ⓘ'Feldspar Group'
ⓘ'Feldspar Group var. Perthite'
ⓘFluorapatite
Formula:Ca5(PO4)3F
ⓘ'Hornblende Root Name Group'
Formula:◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Habit: Up to one foot in length
Description: Rock forming. Occurs as euhedral crystals in metamorphic rocks.
ⓘMagnetite
Formula:Fe2+Fe3+2O4
ⓘMicrocline
Formula:K(AlSi3O8)
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘQuartz
Formula:SiO2
ⓘThorite
Formula:Th(SiO4)
Description: Occurs as well-formed crystals.
ⓘZircon
Formula:Zr(SiO4)
Colour: Pinkish
Fluorescence: pale yellow, strong orange
Description: Abundant transparent crystals in pegmatite.

Gallery:

(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)ⓘAllanite-(Ce)
Th(SiO4)ⓘThorite
Zr(SiO4)ⓘZircon

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'var. Perthite'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
HⓘAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
HⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
HⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
HⓘApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
BeⓘBerylBe3Al2(Si6O18)
OOxygen
OⓘAlbiteNa(AlSi3O8)
OⓘAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘBerylBe3Al2(Si6O18)
OⓘFluorapatiteCa5(PO4)3F
OⓘMagnetiteFe2+Fe23+O4
OⓘMicroclineK(AlSi3O8)
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘAlbite var.Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
OⓘQuartzSiO2
OⓘThoriteTh(SiO4)
OⓘZirconZr(SiO4)
OⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
OⓘApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
FⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FⓘFluorapatiteCa5(PO4)3F
FⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FⓘApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
NaⓘAlbiteNa(AlSi3O8)
NaⓘAlbite var.Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
MgMagnesium
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
AlⓘAlbiteNa(AlSi3O8)
AlⓘAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘBerylBe3Al2(Si6O18)
AlⓘMicroclineK(AlSi3O8)
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘAlbite var.Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
AlⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
SiⓘAlbiteNa(AlSi3O8)
SiⓘAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘBerylBe3Al2(Si6O18)
SiⓘMicroclineK(AlSi3O8)
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘAlbite var.Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
SiⓘQuartzSiO2
SiⓘThoriteTh(SiO4)
SiⓘZirconZr(SiO4)
SiⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
PPhosphorus
PⓘFluorapatiteCa5(PO4)3F
PⓘApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
ClⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
ClⓘApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
KⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
KⓘMicroclineK(AlSi3O8)
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
CaⓘAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
CaⓘFluorapatiteCa5(PO4)3F
CaⓘAlbite var.Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
CaⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaⓘApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
FeⓘAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘMagnetiteFe2+Fe23+O4
ZrZirconium
ZrⓘZirconZr(SiO4)
CeCerium
CeⓘAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ThThorium
ThⓘThoriteTh(SiO4)

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America Plate
Pacific 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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

Neuerburg, George J. (1954) Allanite pegmatite, San Gabriel Mountains, Los Angeles County, California.American Mineralogist, 39 (9-10). 831-834
Patchick, Paul F. (1955) A Remarkable Occurrence of Allanite & Zircon Crystals from a Southern California Pegmatite.Rocks & Minerals, 30 (5) 237-246doi:10.1080/00357529.1955.11767815
Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 31-33, 87
Frondel, Judith W. (1964) Variation of some rare earths in allanite.American Mineralogist, 49 (9-10) 1159-1177
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 366
Dollase, W. A. (1971) Refinement of the crystal structures of epidote, allanite, and hancockite.American Mineralogist, 56 (3-4) 447-464
Hoda, S.N. and Hood (1972): 343
Pemberton, H. Earl (1983)Minerals of California. Van Nostrand Reinhold Company Inc.
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