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El Entredicho Mine, Almadenejos, Ciudad Real, Castile-La Mancha, Spaini
Regional Level Types
El Entredicho MineOpen-Cast Mine (Flooded)
AlmadenejosMunicipality
Ciudad RealProvince
Castile-La ManchaAutonomous Community
SpainGroup of Countries

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Latitude & Longitude (WGS84):
38° 43' 39'' North , 4° 40' 29'' West
Latitude & Longitude (decimal):
38.72772,-4.67476
GeoHash:
G#: eyusmd5vq
GRN:
N26W03
Type:
Open-Cast Mine (Flooded) - last checked 2020
KΓΆppen climate type:
Csa : Hot-summer Mediterranean climate
Mindat Locality ID:
130643
Long-form identifier:
mindat:1:2:130643:2
GUID (UUID V4):
715f2f55-f837-4a5a-a395-51f78d5e827e


Mercury open cast mine near AlmadΓ©n. It is now (2006) abandoned and flooded.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

34 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

β“˜ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
β“˜ Aragonite
Formula: CaCO3
β“˜ Baryte
Formula: BaSO4
β“˜ Calcite
Formula: CaCO3
βœͺ Calomel
Formula: [Hg2]2+Cl2
Description: Excellent samples were recovered in the 19th century, world-quality.
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ 'Chrome-Spinel (of Dana)'
Description: Constituent of ultramafic xenoliths.
β“˜ Cinnabar
Formula: HgS
β“˜ Dolomite
Formula: CaMg(CO3)2
βœͺ Donharrisite
Formula: Ni3HgS3
Habit: Tabular
Description: Probably the best donharrisite in the world.
β“˜ Eglestonite
Formula: [Hg2]2+3OCl3(OH)
β“˜ Galena
Formula: PbS
β“˜ Goethite
Formula: Ξ±-Fe3+O(OH)
βœͺ Gortdrumite
Formula: Cu24Fe2Hg9S23
Description: World-quality specimens for the species.
β“˜ Graphite
Formula: C
β“˜ Grimmite
Formula: NiCo2S4
β“˜ Gypsum
Formula: CaSO4 · 2H2O
β“˜ Hydroniumjarosite
Formula: (H3O)Fe3+3(SO4)2(OH)6
β“˜ Jarosite
Formula: KFe3+3(SO4)2(OH)6
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Marcasite
Formula: FeS2
β“˜ Mercury
Formula: Hg
βœͺ Metacinnabar
Formula: HgS
Description: Excellent world-quality crystals and twins.
β“˜ Millerite
Formula: NiS
β“˜ Montroydite
Formula: HgO
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
β“˜ Natrojarosite
Formula: NaFe3(SO4)2(OH)6
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Schuetteite
Formula: Hg2+3(SO4)O2
β“˜ Siderite
Formula: FeCO3
β“˜ Siegenite
Formula: CoNi2S4
Description: "Siegenite cobalt rich" has been cited in Sainz de baranda and Menor (2019(, actually it is the new mineral recently defined as "grimmite" Add "grimmite" to the mineral list from El Entredicho mine
β“˜ Sphalerite
Formula: ZnS
β“˜ Spinel
Formula: MgAl2O4
Description: Constituent of ultramafic xenoliths.
β“˜ Uricite
Formula: C5H4N4O3
β“˜ Wurtzite
Formula: (Zn,Fe)S

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Mercury1.AD.05Hg
β“˜Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
β“˜Gortdrumite2.BD.10Cu24Fe2Hg9S23
β“˜Donharrisite2.BD.20Ni3HgS3
β“˜Sphalerite2.CB.05aZnS
β“˜Metacinnabar2.CB.05aHgS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Wurtzite2.CB.45(Zn,Fe)S
β“˜Millerite2.CC.20NiS
β“˜Galena2.CD.10PbS
β“˜Cinnabar2.CD.15aHgS
β“˜Grimmite2.DA.NiCo2S4
β“˜Siegenite ?2.DA.05CoNi2S4
β“˜Pyrite2.EB.05aFeS2
β“˜Marcasite2.EB.10aFeS2
Group 3 - Halides
β“˜Calomel3.AA.30[Hg2]2+Cl2
β“˜Eglestonite3.DD.05[Hg2]2+3OCl3(OH)
Group 4 - Oxides and Hydroxides
β“˜Goethite4.00.Ξ±-Fe3+O(OH)
β“˜Montroydite4.AC.15HgO
β“˜Spinel4.BB.05MgAl2O4
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Siderite5.AB.05FeCO3
β“˜Calcite5.AB.05CaCO3
β“˜Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
β“˜Dolomite5.AB.10CaMg(CO3)2
β“˜Aragonite5.AB.15CaCO3
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Baryte7.AD.35BaSO4
β“˜Schuetteite7.BB.40Hg2+3(SO4)O2
β“˜Natrojarosite7.BC.10NaFe3(SO4)2(OH)6
β“˜Jarosite7.BC.10KFe3+3(SO4)2(OH)6
β“˜Hydroniumjarosite7.BC.10(H3O)Fe3+3(SO4)2(OH)6
β“˜Gypsum7.CD.40CaSO4 Β· 2H2O
Group 9 - Silicates
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Fuchsite9.EC.15K(Al,Cr)3Si3O10(OH)2
Group 10 - Organic Compounds
β“˜Uricite10.CA.40C5H4N4O3
Unclassified
β“˜'Chrome-Spinel (of Dana)'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ Eglestonite[Hg2]32+OCl3(OH)
Hβ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Hβ“˜ GoethiteΞ±-Fe3+O(OH)
Hβ“˜ GypsumCaSO4 · 2H2O
Hβ“˜ Hydroniumjarosite(H3O)Fe33+(SO4)2(OH)6
Hβ“˜ JarositeKFe33+(SO4)2(OH)6
Hβ“˜ MalachiteCu2(CO3)(OH)2
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
Hβ“˜ UriciteC5H4N4O3
CCarbon
Cβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Cβ“˜ AragoniteCaCO3
Cβ“˜ CalciteCaCO3
Cβ“˜ DolomiteCaMg(CO3)2
Cβ“˜ GraphiteC
Cβ“˜ MalachiteCu2(CO3)(OH)2
Cβ“˜ SideriteFeCO3
Cβ“˜ UriciteC5H4N4O3
NNitrogen
Nβ“˜ UriciteC5H4N4O3
OOxygen
Oβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Oβ“˜ AragoniteCaCO3
Oβ“˜ BaryteBaSO4
Oβ“˜ CalciteCaCO3
Oβ“˜ DolomiteCaMg(CO3)2
Oβ“˜ Eglestonite[Hg2]32+OCl3(OH)
Oβ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Oβ“˜ GoethiteΞ±-Fe3+O(OH)
Oβ“˜ GypsumCaSO4 · 2H2O
Oβ“˜ Hydroniumjarosite(H3O)Fe33+(SO4)2(OH)6
Oβ“˜ JarositeKFe33+(SO4)2(OH)6
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ MontroyditeHgO
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
Oβ“˜ QuartzSiO2
Oβ“˜ SchuetteiteHg32+(SO4)O2
Oβ“˜ SideriteFeCO3
Oβ“˜ SpinelMgAl2O4
Oβ“˜ UriciteC5H4N4O3
NaSodium
Naβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
MgMagnesium
Mgβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgβ“˜ DolomiteCaMg(CO3)2
Mgβ“˜ SpinelMgAl2O4
AlAluminium
Alβ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ SpinelMgAl2O4
SiSilicon
Siβ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
SSulfur
Sβ“˜ BaryteBaSO4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ CinnabarHgS
Sβ“˜ DonharrisiteNi3HgS3
Sβ“˜ GalenaPbS
Sβ“˜ GortdrumiteCu24Fe2Hg9S23
Sβ“˜ GypsumCaSO4 · 2H2O
Sβ“˜ Hydroniumjarosite(H3O)Fe33+(SO4)2(OH)6
Sβ“˜ JarositeKFe33+(SO4)2(OH)6
Sβ“˜ MarcasiteFeS2
Sβ“˜ MetacinnabarHgS
Sβ“˜ MilleriteNiS
Sβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
Sβ“˜ PyriteFeS2
Sβ“˜ SchuetteiteHg32+(SO4)O2
Sβ“˜ SiegeniteCoNi2S4
Sβ“˜ SphaleriteZnS
Sβ“˜ Wurtzite(Zn,Fe)S
Sβ“˜ GrimmiteNiCo2S4
ClChlorine
Clβ“˜ Calomel[Hg2]2+Cl2
Clβ“˜ Eglestonite[Hg2]32+OCl3(OH)
KPotassium
Kβ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Kβ“˜ JarositeKFe33+(SO4)2(OH)6
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Caβ“˜ AragoniteCaCO3
Caβ“˜ CalciteCaCO3
Caβ“˜ DolomiteCaMg(CO3)2
Caβ“˜ GypsumCaSO4 · 2H2O
CrChromium
Crβ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
FeIron
Feβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ GoethiteΞ±-Fe3+O(OH)
Feβ“˜ GortdrumiteCu24Fe2Hg9S23
Feβ“˜ Hydroniumjarosite(H3O)Fe33+(SO4)2(OH)6
Feβ“˜ JarositeKFe33+(SO4)2(OH)6
Feβ“˜ MarcasiteFeS2
Feβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
Feβ“˜ PyriteFeS2
Feβ“˜ SideriteFeCO3
Feβ“˜ Wurtzite(Zn,Fe)S
CoCobalt
Coβ“˜ SiegeniteCoNi2S4
Coβ“˜ GrimmiteNiCo2S4
NiNickel
Niβ“˜ DonharrisiteNi3HgS3
Niβ“˜ MilleriteNiS
Niβ“˜ SiegeniteCoNi2S4
Niβ“˜ GrimmiteNiCo2S4
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ GortdrumiteCu24Fe2Hg9S23
Cuβ“˜ MalachiteCu2(CO3)(OH)2
ZnZinc
Znβ“˜ SphaleriteZnS
Znβ“˜ Wurtzite(Zn,Fe)S
BaBarium
Baβ“˜ BaryteBaSO4
HgMercury
Hgβ“˜ Calomel[Hg2]2+Cl2
Hgβ“˜ CinnabarHgS
Hgβ“˜ DonharrisiteNi3HgS3
Hgβ“˜ Eglestonite[Hg2]32+OCl3(OH)
Hgβ“˜ GortdrumiteCu24Fe2Hg9S23
Hgβ“˜ MercuryHg
Hgβ“˜ MetacinnabarHgS
Hgβ“˜ MontroyditeHgO
Hgβ“˜ SchuetteiteHg32+(SO4)O2
PbLead
Pbβ“˜ GalenaPbS

Localities in this Region

Spain

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Iberian PeninsulaPeninsula
Spain

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.

References

www.proyectogeoparquevolcanesdecalatrava.es (n.d.) https://www.proyectogeoparquevolcanesdecalatrava.es/proyecto-geoparque/patrimonio-geologico/geositios/mineralizacion-de-mercurio-de-el-entredicho/?cookiesAceptadas=1
info.igme.es (n.d.) http://info.igme.es/ielig/LIGInfo.aspx?codigo=CI006
senderismocepaalmaden20162017.blogspot.com (n.d.) http://senderismocepaalmaden20162017.blogspot.com/2017/06/almadenejos-gargantiel.html
agualuzyviento.wordpress.com (n.d.) https://agualuzyviento.wordpress.com/2019/09/10/almadenejos-la-ciudad-amurallada/
Olia, V.J., Mila, C.C., Alvarez, C.N. (1990) Sobre la presencia de sulfuro de mercurio cilbico (Metacinabrio) en el distrito minero de AlmadΓ©n (Ciudad Real, EspaΓ±a). Treballs del Museu de Geologia de Barcelona: 1: 209-218. https://museucienciesjournals.cat/tmgb/issue/01-1990-tmgb/sobre-la-presencia-de-sulfuro-de-mercurio-cilbico-metacinabrio-en-el-distrito-minero-de-almaden-ciudad-real-espana.pdf
Sainz de Baranda Graf, B., Menor Salvan, C. (2019) The AlmadΓ©n mining district, Ciudad Real, Spain. The Mineralogical Record, 50 (1), 11-60.
www.viajesalmaden.com (2021) https://www.viajesalmaden.com/turismo-rural-en-almaden/
sge.usal.es (2022) https://sge.usal.es/archivos_pdf/geolodia18/guias_geolodia18/gdia18gui_ciudad_real.pdf
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