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Alleghany, Alleghany Mining District (Forest Mining District), Sierra County, California, USAi
Regional Level Types
Alleghany- not defined -
Alleghany Mining District (Forest Mining District)Mining District
Sierra CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
39° 28' 11'' North , 120° 50' 36'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Downieville282 (2011)10.1km
Washington185 (2011)12.8km
Pike134 (2011)13.7km
Camptonville158 (2011)17.7km
Sierra City221 (2011)20.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Nevada County Gem & Mineral SocietyGrass Valley, California34km
Mindat Locality ID:
31595
Long-form identifier:
mindat:1:2:31595:0
GUID (UUID V4):
0



A populated place (city).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

25 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
'Amphibole Asbestos'
'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
Description: Occurs in amphibolite schist.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Description: Occurs as crystals on the faces of Quartz crystals.
Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 9 localities in this region.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Calcite
Formula: CaCO3
'Chlorite Group'
Dawsonite
Formula: NaAlCO3(OH)2
Habit: Fibrous
Colour: Pale green or tan tint
Description: Occurs as clusters of minute fibers as daughter products in fluid inclusions of gold-quartz veins. Individual crystals 5-20 microns long and 1 to 3 microns thick, although some as large as 200 x 5 microns noted.
Dolomite
Formula: CaMg(CO3)2
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Galena
Formula: PbS
Graphite
Formula: C
'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
Habit: "Needle" crystals.
Description: Occurs in a amphibolite schist.
Jamesonite
Formula: Pb4FeSb6S14
Habit: Acicular
Description: Occurs in vugs in quartz as small needles and clusters.
'Limonite'
Marcasite
Formula: FeS2
'Mica Group'
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 6 localities in this region.
Muscovite var. Mariposite
Formula: K(Al,Cr)2(Al,Si)4O10(OH)2
Localities:
Muscovite var. Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Localities:
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Native Gold
Formula: Au
Localities: Reported from at least 38 localities in this region.
Opal
Formula: SiO2 · nH2O
Orthoclase
Formula: K(AlSi3O8)
Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
Pentlandite
Formula: (NixFey)Σ9S8
Pyrite
Formula: FeS2
Localities: Reported from at least 15 localities in this region.
Quartz
Formula: SiO2
Localities: Reported from at least 35 localities in this region.
Quartz var. Chalcedony
Formula: SiO2
Rutile
Formula: TiO2
Habit: Acicular
Description: Occurs as small needles.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Localities: Reported from at least 8 localities in this region.
Siderite
Formula: FeCO3
Description: Occurs as crystals on faces of Quartz crystals.
Sphalerite
Formula: ZnS
Stromeyerite
Formula: AgCuS
Talc
Formula: Mg3Si4O10(OH)2
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
'Wad'

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Stromeyerite2.BA.40AgCuS
Pentlandite2.BB.15(NixFey)Σ9S8
Sphalerite2.CB.05aZnS
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Arsenopyrite2.EB.20FeAsS
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Jamesonite2.HB.15Pb4FeSb6S14
Group 4 - Oxides and Hydroxides
Quartz
var. Chalcedony
4.DA.05SiO2
4.DA.05SiO2
Opal4.DA.10SiO2 · nH2O
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Dolomite5.AB.10CaMg(CO3)2
Dawsonite5.BB.10NaAlCO3(OH)2
Group 9 - Silicates
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Paragonite9.EC.15NaAl2(AlSi3O10)(OH)2
Muscovite
var. Phengite
9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
var. Mariposite9.EC.15K(Al,Cr)2(Al,Si)4O10(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Amphibole Supergroup'-AB2C5(T8O22)W2
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Limonite'-
'Wad'-
'Mica Group'-
'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
'Serpentine Subgroup'-D3[Si2O5](OH)4
'Amphibole Asbestos'-

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H DawsoniteNaAlCO3(OH)2
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H OpalSiO2 · nH2O
H ParagoniteNaAl2(AlSi3O10)(OH)2
H Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
H TalcMg3Si4O10(OH)2
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C DawsoniteNaAlCO3(OH)2
C DolomiteCaMg(CO3)2
C GraphiteC
C SideriteFeCO3
OOxygen
O AlbiteNa(AlSi3O8)
O Amphibole SupergroupAB2C5(T8O22)W2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CalciteCaCO3
O Quartz var. ChalcedonySiO2
O DawsoniteNaAlCO3(OH)2
O DolomiteCaMg(CO3)2
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O OpalSiO2 · nH2O
O OrthoclaseK(AlSi3O8)
O ParagoniteNaAl2(AlSi3O10)(OH)2
O Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
O QuartzSiO2
O RutileTiO2
O SideriteFeCO3
O TalcMg3Si4O10(OH)2
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na DawsoniteNaAlCO3(OH)2
Na ParagoniteNaAl2(AlSi3O10)(OH)2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg DolomiteCaMg(CO3)2
Mg Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al DawsoniteNaAlCO3(OH)2
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al ParagoniteNaAl2(AlSi3O10)(OH)2
Al Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Al Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Al Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Quartz var. ChalcedonySiO2
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OpalSiO2 · nH2O
Si OrthoclaseK(AlSi3O8)
Si ParagoniteNaAl2(AlSi3O10)(OH)2
Si Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
S ArsenopyriteFeAsS
S GalenaPbS
S JamesonitePb4FeSb6S14
S MarcasiteFeS2
S Pentlandite(NixFey)Σ9S8
S PyriteFeS2
S SphaleriteZnS
S StromeyeriteAgCuS
S Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
K Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
Ca Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti RutileTiO2
CrChromium
Cr Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe JamesonitePb4FeSb6S14
Fe MarcasiteFeS2
Fe Pentlandite(NixFey)Σ9S8
Fe Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Fe PyriteFeS2
Fe SideriteFeCO3
NiNickel
Ni Pentlandite(NixFey)Σ9S8
CuCopper
Cu StromeyeriteAgCuS
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
AgSilver
Ag StromeyeriteAgCuS
SbAntimony
Sb JamesonitePb4FeSb6S14
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
AuGold
Au Native GoldAu
PbLead
Pb GalenaPbS
Pb JamesonitePb4FeSb6S14

Localities in this Region

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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