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San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts), Coconino County, Arizona, USAi
Regional Level Types
San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts)Volcanic Field
Coconino CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
35° 21' 11'' North , 111° 41' 36'' West
Latitude & Longitude (decimal):
Mindat Locality ID:
44381
Long-form identifier:
mindat:1:2:44381:9
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

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

32 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:

Aenigmatite
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
Habit: Prismatic
Colour: Very dark brown
Description: Occurs in a riebeckite-soda granite porphyry.
Alum-(K)
Formula: KAl(SO4)2 · 12H2O
Alum-(Na)
Formula: NaAl(SO4)2 · 12H2O
Alunite
Formula: KAl3(SO4)2(OH)6
Alunogen
Formula: Al2(SO4)3 · 17H2O
Analcime
Formula: Na(AlSi2O6) · H2O
Description: Occurs as cement in ash & scoria layers.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
References:
Baryte
Formula: BaSO4
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Calcite
Formula: CaCO3
Celestine
Formula: SrSO4
Chabazite-Na
Formula: (Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Description: Occurs as cement in ash & scoria layers.
Diopside
Formula: CaMgSi2O6
'Fayalite-Forsterite Series'
Description: Occurs in basalts.
'Feldspar Group'
Ferrohexahydrite
Formula: Fe2+(H2O)6(SO4)
Colour: White
Description: Pulverulent, coating some of the cinders as a fumarolic deposit.
Fluorite
Formula: CaF2
Habit: Small cubes
Colour: Pink
Description: Occurs as small cubic crystals and fragments as inclusions in zircon crystals.
Forsterite
Formula: Mg2(SiO4)
Gypsum
Formula: CaSO4 · 2H2O
Hematite
Formula: Fe2O3
Hematite var. Martite
Formula: Fe2O3
'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
Hydrokenoralstonite
Formula: Na0.5(Al,Mg)2(F,OH)6 · H2O
Jarosite
Formula: KFe3+3(SO4)2(OH)6
Kaersutite
Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Habit: Micro-crystals
Lechatelierite
Formula: SiO2
Colour: Black to green
Description: Obsidian-like coatings & tubes.
'Limonite'
Magnetite
Formula: Fe2+Fe3+2O4
Native Sulphur
Formula: S8
Description: A few crystals in lava around the rim of the crater.
Opal
Formula: SiO2 · nH2O
'Petrified Wood'
Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Description: Large quantity of beautifully clear material in tuff.
Pyrope
Formula: Mg3Al2(SiO4)3
Riebeckite
Formula: ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
Habit: Small, stout, prismatic crystals to 1 x 1.5 mm
Colour: Blue
Description: Occurs in a riebeckite-soda granite porphyry & as larger segregations & filling veinlets in the rock.
Sanidine
Formula: K(AlSi3O8)
Description: Occurs as phenocrysts.
Thénardite
Formula: Na2SO4
Description: Occurs as coatings on basaltic lavas.
Topaz
Formula: Al2(SiO4)(F,OH)2
Habit: Imperfect crystals to 0.4 mm long
Description: Occurs in segregations in small amounts.
Voltaite
Formula: K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
'Wad'
Zircon
Formula: Zr(SiO4)
Habit: Anhedral crystals to 0.4 mm long
Description: Noticeably abundant in segregations in riebeckite-soda granite porphyry.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Sulphur1.CC.05S8
Group 3 - Halides
Fluorite3.AB.25CaF2
Hydrokenoralstonite3.CF.05 Na0.5(Al,Mg)2(F,OH)6 · H2O
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
var. Martite4.CB.05Fe2O3
Opal4.DA.10SiO2 · nH2O
Lechatelierite4.DA.30SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Thénardite7.AD.25Na2SO4
Baryte7.AD.35BaSO4
Celestine7.AD.35SrSO4
Alunite7.BC.10KAl3(SO4)2(OH)6
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Ferrohexahydrite7.CB.25Fe2+(H2O)6(SO4)
Alunogen7.CB.45Al2(SO4)3 · 17H2O
Pickeringite7.CB.85MgAl2(SO4)4 · 22H2O
Alum-(K)7.CC.20KAl(SO4)2 · 12H2O
Alum-(Na)7.CC.20NaAl(SO4)2 · 12H2O
Voltaite7.CC.25K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Forsterite9.AC.05Mg2(SiO4)
Pyrope9.AD.25Mg3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Topaz9.AF.35Al2(SiO4)(F,OH)2
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside9.DA.15CaMgSi2O6
Kaersutite9.DE.15NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Riebeckite9.DE.25◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
Aenigmatite9.DH.40Na4[Fe2+10Ti2]O4[Si12O36]
Sanidine9.FA.30K(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Chabazite-Na9.GD.10(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Feldspar Group'-
'Limonite'-
'Wad'-
'Petrified Wood'-
'Fayalite-Forsterite Series'-
'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
H AluniteKAl3(SO4)2(OH)6
H AlunogenAl2(SO4)3 · 17H2O
H AnalcimeNa(AlSi2O6) · H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H FerrohexahydriteFe2+(H2O)6(SO4)
H GypsumCaSO4 · 2H2O
H JarositeKFe33+(SO4)2(OH)6
H OpalSiO2 · nH2O
H PickeringiteMgAl2(SO4)4 · 22H2O
H Alum-(K)KAl(SO4)2 · 12H2O
H Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6 · H2O
H Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
H Alum-(Na)NaAl(SO4)2 · 12H2O
H TopazAl2(SiO4)(F,OH)2
H VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
H Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
CCarbon
C CalciteCaCO3
OOxygen
O AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
O AluniteKAl3(SO4)2(OH)6
O AlunogenAl2(SO4)3 · 17H2O
O AnalcimeNa(AlSi2O6) · H2O
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BaryteBaSO4
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CalciteCaCO3
O CelestineSrSO4
O DiopsideCaMgSi2O6
O FerrohexahydriteFe2+(H2O)6(SO4)
O ForsteriteMg2(SiO4)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O JarositeKFe33+(SO4)2(OH)6
O KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
O LechatelieriteSiO2
O MagnetiteFe2+Fe23+O4
O Hematite var. MartiteFe2O3
O OpalSiO2 · nH2O
O PickeringiteMgAl2(SO4)4 · 22H2O
O Alum-(K)KAl(SO4)2 · 12H2O
O PyropeMg3Al2(SiO4)3
O Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6 · H2O
O Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
O SanidineK(AlSi3O8)
O Alum-(Na)NaAl(SO4)2 · 12H2O
O ThénarditeNa2SO4
O TopazAl2(SiO4)(F,OH)2
O VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
O ZirconZr(SiO4)
O Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
O Fayalite-Forsterite Series
O Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F FluoriteCaF2
F Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6 · H2O
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Na AnalcimeNa(AlSi2O6) · H2O
Na KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Na Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6 · H2O
Na Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Na Alum-(Na)NaAl(SO4)2 · 12H2O
Na ThénarditeNa2SO4
Na Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg DiopsideCaMgSi2O6
Mg ForsteriteMg2(SiO4)
Mg KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Mg PickeringiteMgAl2(SO4)4 · 22H2O
Mg PyropeMg3Al2(SiO4)3
Mg Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6 · H2O
Mg Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Mg Fayalite-Forsterite Series
AlAluminium
Al AluniteKAl3(SO4)2(OH)6
Al AlunogenAl2(SO4)3 · 17H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Al PickeringiteMgAl2(SO4)4 · 22H2O
Al Alum-(K)KAl(SO4)2 · 12H2O
Al PyropeMg3Al2(SiO4)3
Al Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6 · H2O
Al SanidineK(AlSi3O8)
Al Alum-(Na)NaAl(SO4)2 · 12H2O
Al TopazAl2(SiO4)(F,OH)2
Al VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Al Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Al Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Si AnalcimeNa(AlSi2O6) · H2O
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si DiopsideCaMgSi2O6
Si ForsteriteMg2(SiO4)
Si KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Si LechatelieriteSiO2
Si OpalSiO2 · nH2O
Si PyropeMg3Al2(SiO4)3
Si Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Si SanidineK(AlSi3O8)
Si TopazAl2(SiO4)(F,OH)2
Si ZirconZr(SiO4)
Si Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Si Fayalite-Forsterite Series
Si Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SSulfur
S AluniteKAl3(SO4)2(OH)6
S AlunogenAl2(SO4)3 · 17H2O
S BaryteBaSO4
S CelestineSrSO4
S FerrohexahydriteFe2+(H2O)6(SO4)
S GypsumCaSO4 · 2H2O
S JarositeKFe33+(SO4)2(OH)6
S PickeringiteMgAl2(SO4)4 · 22H2O
S Alum-(K)KAl(SO4)2 · 12H2O
S Alum-(Na)NaAl(SO4)2 · 12H2O
S Native SulphurS8
S ThénarditeNa2SO4
S VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
KPotassium
K AluniteKAl3(SO4)2(OH)6
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K JarositeKFe33+(SO4)2(OH)6
K Alum-(K)KAl(SO4)2 · 12H2O
K SanidineK(AlSi3O8)
K VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
K Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
CaCalcium
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
Ca KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Ca Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Ca Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Ti AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
FeIron
Fe AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe FerrohexahydriteFe2+(H2O)6(SO4)
Fe HematiteFe2O3
Fe JarositeKFe33+(SO4)2(OH)6
Fe MagnetiteFe2+Fe23+O4
Fe Hematite var. MartiteFe2O3
Fe Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Fe VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Fe Fayalite-Forsterite Series
SrStrontium
Sr CelestineSrSO4
Sr Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba BaryteBaSO4

Localities in this Region

Other Regions, Features and Areas containing this locality


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