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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Julian, Julian Mining District, San Diego County, California, USAi
Regional Level Types
Julian- not defined -
Julian Mining DistrictMining District
San Diego CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
33° 4' 43'' North , 116° 36' 4'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Julian1,502 (2011)0.1km
San Diego Country Estates10,109 (2011)18.8km
Descanso1,423 (2011)25.1km
Ramona20,292 (2011)25.2km
Borrego Springs3,429 (2014)28.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Borrego Rock and Gem ClubBorrego Springs, California29km
Palomar Gem & Mineral ClubEscondido, California45km
El Cajon Valley Gem & Mineral SocietyEl Cajon, California46km
Mindat Locality ID:
3558
Long-form identifier:
mindat:1:2:3558:6
GUID (UUID V4):
0



A populated place (town).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

20 valid minerals.

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Description: Occurs in large concentrations in quartz veins.
Beryl
Formula: Be3Al2(Si6O18)
Beryl var. Emerald
Formula: Be3Al2(Si6O18)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Description: Occurs in massive pyrrhotite.
Chlorargyrite
Formula: AgCl
Description: Occurs in ore with Cu minerals. Evidenced by California Division of Mines and Geology specimen #9979.
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Description: Occurs in the oxidized zone.
'Garnet Group'
Formula: X3Z2(SiO4)3
Graphite
Formula: C
Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
Description: Occurs as minute hollow spherules in pyrrhotite ore.
'Limonite'
Description: Occurs in the oxidized zone.
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Description: Occurs as excellent specimens.
Morenosite
Formula: NiSO4 · 7H2O
Description: Occurs in the oxidized zone.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Native Gold
Formula: Au
Pentlandite
Formula: (NixFey)Σ9S8
Description: Occurs as residual cores in violarite in massive pyrrhotite.
Petzite
Formula: Ag3AuTe2
Pyrite
Formula: FeS2
Description: Occurs as compact botryoidal material in veins cutting pyrrhotite. Crystallized FeS2 gel which exhibits a banded, gel-like structure; very hard.
Pyrrhotite
Formula: Fe1-xS
Pyrrhotite var. Nickel-bearing Pyrrhotite
Formula: (Fe,Ni)7S8
Description: Occurs on the contact of gabbro and fine-grained schist.
Quartz
Formula: SiO2
Siderite
Formula: FeCO3
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Violarite
Formula: Fe2+Ni3+2S4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Petzite2.BA.75Ag3AuTe2
Pentlandite2.BB.15(NixFey)Σ9S8
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
var. Nickel-bearing Pyrrhotite2.CC.10(Fe,Ni)7S8
Violarite2.DA.05Fe2+Ni3+2S4
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Hydromagnesite5.DA.05Mg5(CO3)4(OH)2 · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Morenosite7.CB.40NiSO4 · 7H2O
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
var. Emerald9.CJ.05Be3Al2(Si6O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Limonite'-
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
'Garnet Group'-X3Z2(SiO4)3

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 ErythriteCo3(AsO4)2 · 8H2O
H HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
H MalachiteCu2(CO3)(OH)2
H MorenositeNiSO4 · 7H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
Be Beryl var. EmeraldBe3Al2(Si6O18)
BBoron
B TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
C GraphiteC
C HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
OOxygen
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BerylBe3Al2(Si6O18)
O CalciteCaCO3
O Beryl var. EmeraldBe3Al2(Si6O18)
O ErythriteCo3(AsO4)2 · 8H2O
O HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MorenositeNiSO4 · 7H2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O SideriteFeCO3
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O Garnet GroupX3Z2(SiO4)3
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al BerylBe3Al2(Si6O18)
Al Beryl var. EmeraldBe3Al2(Si6O18)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si Beryl var. EmeraldBe3Al2(Si6O18)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Garnet GroupX3Z2(SiO4)3
SSulfur
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S MorenositeNiSO4 · 7H2O
S Pentlandite(NixFey)Σ9S8
S PyriteFeS2
S PyrrhotiteFe1-xS
S ViolariteFe2+Ni23+S4
S Pyrrhotite var. Nickel-bearing Pyrrhotite(Fe,Ni)7S8
ClChlorine
Cl ChlorargyriteAgCl
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Fe ArsenopyriteFeAsS
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(NixFey)Σ9S8
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe SideriteFeCO3
Fe ViolariteFe2+Ni23+S4
Fe Pyrrhotite var. Nickel-bearing Pyrrhotite(Fe,Ni)7S8
CoCobalt
Co ErythriteCo3(AsO4)2 · 8H2O
NiNickel
Ni MorenositeNiSO4 · 7H2O
Ni Pentlandite(NixFey)Σ9S8
Ni ViolariteFe2+Ni23+S4
Ni Pyrrhotite var. Nickel-bearing Pyrrhotite(Fe,Ni)7S8
CuCopper
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
AsArsenic
As ArsenopyriteFeAsS
As ErythriteCo3(AsO4)2 · 8H2O
AgSilver
Ag ChlorargyriteAgCl
Ag PetziteAg3AuTe2
TeTellurium
Te PetziteAg3AuTe2
AuGold
Au Native GoldAu
Au PetziteAg3AuTe2

Localities in this Region

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America Plate
Pacific PlateTectonic Plate

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