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!
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Burro Pit, Johnson Mine (Johnson Camp Mine), Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USAi
Regional Level Types
Burro PitPit
Johnson Mine (Johnson Camp Mine)Mine
Johnson CampVillage (Abolished)
Gunnison Copper ProjectProject (Active)
Cochise Mining DistrictMining District
Cochise CountyCounty
ArizonaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
32° 5' 57'' North , 110° 3' 53'' West
Latitude & Longitude (decimal):
Type:
Deposit first discovered:
1975
Nearest Settlements:
PlacePopulationDistance
Dragoon209 (2011)8.3km
Saint David1,699 (2011)25.8km
Benson4,888 (2017)26.1km
Willcox3,552 (2017)27.8km
Whetstone2,617 (2011)30.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Sunsites Gem and Mineral ClubPearce, Arizona32km
Mindat Locality ID:
424985
Long-form identifier:
mindat:1:2:424985:9
GUID (UUID V4):
0
Other/historical names associated with this locality:
Burro deposit


An open pit copper mine. The Burro Pit was the deepest access to the ores of the Johnson Mine Complex and this is where the copper ore intersected the pegmatite below the ores.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


30 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Aragonite
Formula: CaCO3
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Beryl
Formula: Be3Al2(Si6O18)
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Beryl var. Goshenite
Formula: Be3Al2(Si6O18)
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Chalcopyrite
Formula: CuFeS2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
References:
Rolf LuetckeIdentified by Rolf Luetcke: Visual Identification
'Chlorite Group'
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Fluorite
Formula: CaF2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
'Garnet Group'
Formula: X3Z2(SiO4)3
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Gypsum
Formula: CaSO4 · 2H2O
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
References:
Rolf LuetckeIdentified by Rolf Luetcke: Visual Identification
Hübnerite
Formula: MnWO4
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Libethenite
Formula: Cu2(PO4)(OH)
References:
Rolf LuetckeIdentified by Rolf Luetcke: Visual Identification
Magnetite
Formula: Fe2+Fe3+2O4
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Malachite
Formula: Cu2(CO3)(OH)2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Marcasite
Formula: FeS2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Molybdenite
Formula: MoS2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Native Copper
Formula: Cu
References:
Rolf LuetckeIdentification: Visual Identification
Orthoclase
Formula: K(AlSi3O8)
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Pyrite
Formula: FeS2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Pyrrhotite
Formula: Fe1-xS
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Quartz
Formula: SiO2
Quartz var. Chalcedony
Formula: SiO2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Quartz var. Rock Crystal
Formula: SiO2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Quartz var. Smoky Quartz
Formula: SiO2
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Scheelite
Formula: Ca(WO4)
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Sphalerite
Formula: ZnS
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Titanite
Formula: CaTi(SiO4)O
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
'Wad'
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
Willemite
Formula: Zn2SiO4
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
'Wolframite Group'
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz
var. Chalcedony
4.DA.05SiO2
4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
var. Rock Crystal4.DA.05SiO2
Hübnerite4.DB.30MnWO4
'Wolframite Group'4.DB.30 va
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Aragonite5.AB.15CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Libethenite8.BB.30Cu2(PO4)(OH)
Group 9 - Silicates
Willemite9.AA.05Zn2SiO4
Titanite9.AG.15CaTi(SiO4)O
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Beryl9.CJ.05Be3Al2(Si6O18)
var. Goshenite9.CJ.05Be3Al2(Si6O18)
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Allophane9.ED.20(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Orthoclase9.FA.30K(AlSi3O8)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Wad'-
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H GypsumCaSO4 · 2H2O
H HemimorphiteZn4Si2O7(OH)2 · H2O
H LibetheniteCu2(PO4)(OH)
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
Be Beryl var. GosheniteBe3Al2(Si6O18)
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
O AragoniteCaCO3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BerylBe3Al2(Si6O18)
O CalciteCaCO3
O Quartz var. ChalcedonySiO2
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O GypsumCaSO4 · 2H2O
O HemimorphiteZn4Si2O7(OH)2 · H2O
O HübneriteMnWO4
O LibetheniteCu2(PO4)(OH)
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O QuartzSiO2
O ScheeliteCa(WO4)
O Quartz var. Smoky QuartzSiO2
O TitaniteCaTi(SiO4)O
O WillemiteZn2SiO4
O Quartz var. Rock CrystalSiO2
O Beryl var. GosheniteBe3Al2(Si6O18)
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Garnet GroupX3Z2(SiO4)3
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F FluoriteCaF2
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al BerylBe3Al2(Si6O18)
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al Beryl var. GosheniteBe3Al2(Si6O18)
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si Quartz var. ChalcedonySiO2
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si Quartz var. Smoky QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si WillemiteZn2SiO4
Si Quartz var. Rock CrystalSiO2
Si Beryl var. GosheniteBe3Al2(Si6O18)
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Garnet GroupX3Z2(SiO4)3
PPhosphorus
P LibetheniteCu2(PO4)(OH)
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S GypsumCaSO4 · 2H2O
S MarcasiteFeS2
S MolybdeniteMoS2
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
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. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca AragoniteCaCO3
Ca CalciteCaCO3
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
Ca ScheeliteCa(WO4)
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn HübneriteMnWO4
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe MagnetiteFe2+Fe23+O4
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu Native CopperCu
Cu LibetheniteCu2(PO4)(OH)
Cu MalachiteCu2(CO3)(OH)2
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn SphaleriteZnS
Zn WillemiteZn2SiO4
MoMolybdenum
Mo MolybdeniteMoS2
SbAntimony
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
WTungsten
W HübneriteMnWO4
W ScheeliteCa(WO4)

Other Regions, Features and Areas containing this locality

Mexico
North AmericaContinent
North America 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, 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.
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 3, 2026 11:11:05 Page updated: August 8, 2025 19:28:49
Go to top of page