Cólliga, L.A. (1994). Las anatasas, brookitas y rutilos sageníticos de Horcajuelo de la Sierra (Madrid). Revista Azogue, 15. Grupo Mineralogista de Madrid, 26-30

ⓘ Arsenopyrite

Formula: FeAsS

Locality: San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Jimenez R., Joda L., Jorda R., Prado P. (2004) - Madrid: la mineria metallica desde 1417 hasta nuestros dias. Bocamina, n°14, pp: 52-89.

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

Locality: La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

www.igme.es (2015) https://www.igme.es/museo/publicaciones/Coleccion_Minerales_CAM2.pdf

ⓘ Brookite

Formula: TiO₂

Locality: La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Cólliga, L.A. (1994). Las anatasas, brookitas y rutilos sageníticos de Horcajuelo de la Sierra (Madrid). Revista Azogue, 15. Grupo Mineralogista de Madrid, 26-30

ⓘ Chlorargyrite

Formula: AgCl

Locality: San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Jimenez R., Joda L., Jorda R., Prado P. (2004) - Madrid: la mineria metallica desde 1417 hasta nuestros dias. Bocamina, n°14, pp: 52-89.

ⓘ 'Chlorite Group'

Locality: La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Cólliga, L.A. (1994). Las anatasas, brookitas y rutilos sageníticos de Horcajuelo de la Sierra (Madrid). Revista Azogue, 15. Grupo Mineralogista de Madrid, 26-30

ⓘ 'Freibergite Subgroup'

Formula: (Ag₆,[Ag₆]⁴⁺)(Cu₄ C²⁺₂)Sb₄S₁₂S_0-1

Locality: San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Jimenez R., Joda L., Jorda R., Prado P. (2004) - Madrid: la mineria metallica desde 1417 hasta nuestros dias. Bocamina, n°14, pp: 52-89.

ⓘ Graphite

Formula: C

Localities:

San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain
La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Localities:

Horcajuelo de la Sierra, Community of Madrid, Spain
La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities:

Horcajuelo de la Sierra, Community of Madrid, Spain
Rutile type locality, Horcajuelo de la Sierra, Community of Madrid, Spain
La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

ⓘ Native Silver

Formula: Ag

Locality: San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Jimenez R., Joda L., Jorda R., Prado P. (2004) - Madrid: la mineria metallica desde 1417 hasta nuestros dias. Bocamina, n°14, pp: 52-89.

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Locality: La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Cólliga, L.A. (1994). Las anatasas, brookitas y rutilos sageníticos de Horcajuelo de la Sierra (Madrid). Revista Azogue, 15. Grupo Mineralogista de Madrid, 26-30

ⓘ Proustite

Formula: Ag₃AsS₃

Locality: San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Jimenez R., Joda L., Jorda R., Prado P. (2004) - Madrid: la mineria metallica desde 1417 hasta nuestros dias. Bocamina, n°14, pp: 52-89.

ⓘ Pyrargyrite

Formula: Ag₃SbS₃

Locality: San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Jimenez R., Joda L., Jorda R., Prado P. (2004) - Madrid: la mineria metallica desde 1417 hasta nuestros dias. Bocamina, n°14, pp: 52-89.

ⓘ Pyrite

Formula: FeS₂

Locality: La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

Cólliga, L.A. (1994). Las anatasas, brookitas y rutilos sageníticos de Horcajuelo de la Sierra (Madrid). Revista Azogue, 15. Grupo Mineralogista de Madrid, 26-30

ⓘ Quartz

Formula: SiO₂

Localities:

Horcajuelo de la Sierra, Community of Madrid, Spain
San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain
Rutile type locality, Horcajuelo de la Sierra, Community of Madrid, Spain
La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

ⓘ Quartz var. Rock Crystal

Formula: SiO₂

Locality: La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

www.igme.es (2015) https://www.igme.es/museo/publicaciones/Coleccion_Minerales_CAM2.pdf

ⓘ Rutile (TL)

Formula: TiO₂

Localities:

Rutile type locality, Horcajuelo de la Sierra, Community of Madrid, Spain
La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

Type Locality: Rutile type locality, Horcajuelo de la Sierra, Community of Madrid, Spain

ⓘ Scorodite

Formula: Fe³⁺AsO₄ · 2H₂O

Locality: San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

References:

www.foro-minerales.com (2016) http://www.foro-minerales.com/forum/viewtopic.php?p=120338#120338

ⓘ Sillimanite

Formula: Al₂(SiO₄)O

Localities:

Horcajuelo de la Sierra, Community of Madrid, Spain
Rutile type locality, Horcajuelo de la Sierra, Community of Madrid, Spain
La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

ⓘ Sillimanite var. Fibrolite

Formula: Al₂(SiO₄)O

Localities:

La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain
Horcajuelo de la Sierra, Community of Madrid, Spain

ⓘ 'Tourmaline'

Formula: AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z

Localities:

Rutile type locality, Horcajuelo de la Sierra, Community of Madrid, Spain
La Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain

Gallery:

Ag₂Sⓘ Acanthite

Acanthite, etc.

San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

Acanthite, etc.

San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

Acanthite, etc.

San Francisco Mine, Horcajuelo de la Sierra, Community of Madrid, Spain

Fe²⁺₃Al₂(SiO₄)₃ⓘ Almandine

Almandine

Horcajuelo de la Sierra, Community of Madrid, Spain

Almandine

Horcajuelo de la Sierra, Community of Madrid, Spain

Almandine

Horcajuelo de la Sierra, Community of Madrid, Spain

TiO₂ⓘ Brookite

Brookite, etc.

Horcajuelo de la Sierra, Community of Madrid, Spain

Brookite, etc.

Horcajuelo de la Sierra, Community of Madrid, Spain

Brookite, etc.

Horcajuelo de la Sierra, Community of Madrid, Spain

Fe²⁺TiO₃ⓘ Ilmenite

Ilmenite, etc.

Horcajuelo de la Sierra, Community of Madrid, Spain

Ilmenite, etc.

Horcajuelo de la Sierra, Community of Madrid, Spain

Ilmenite, etc.

Horcajuelo de la Sierra, Community of Madrid, Spain

SiO₂ⓘ Quartz

Quartz

Horcajuelo de la Sierra, Community of Madrid, Spain

Quartz

Horcajuelo de la Sierra, Community of Madrid, Spain

Quartz

Horcajuelo de la Sierra, Community of Madrid, Spain

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Silver	1.AA.05	Ag
ⓘ	Graphite	1.CB.05a	C
Group 2 - Sulphides and Sulfosalts
ⓘ	Acanthite	2.BA.35	Ag₂S
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Proustite	2.GA.05	Ag₃AsS₃
ⓘ	Pyrargyrite	2.GA.05	Ag₃SbS₃
ⓘ	'Freibergite Subgroup'	2.GB.05	(Ag₆,[Ag₆]⁴⁺)(Cu₄ C²⁺₂)Sb₄S₁₂S_0-1
Group 3 - Halides
ⓘ	Chlorargyrite	3.AA.15	AgCl
Group 4 - Oxides and Hydroxides
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Rock Crystal	4.DA.05	SiO₂
ⓘ	Rutile (TL)	4.DB.05	TiO₂
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Brookite	4.DD.10	TiO₂
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Scorodite	8.CD.10	Fe³⁺AsO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Sillimanite	9.AF.05	Al₂(SiO₄)O
ⓘ	var. Fibrolite	9.AF.05	Al₂(SiO₄)O
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
Unclassified
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Tourmaline'	-	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
B	Boron
B	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
C	Carbon
C	ⓘ Graphite	C
O	Oxygen
O	ⓘ Anatase	TiO₂
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Brookite	TiO₂
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
O	ⓘ Sillimanite	Al₂(SiO₄)O
O	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Quartz var. Rock Crystal	SiO₂
O	ⓘ Sillimanite var. Fibrolite	Al₂(SiO₄)O
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	Aluminium
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Sillimanite	Al₂(SiO₄)O
Al	ⓘ Sillimanite var. Fibrolite	Al₂(SiO₄)O
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sillimanite	Al₂(SiO₄)O
Si	ⓘ Quartz var. Rock Crystal	SiO₂
Si	ⓘ Sillimanite var. Fibrolite	Al₂(SiO₄)O
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
S	Sulfur
S	ⓘ Acanthite	Ag₂S
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Freibergite Subgroup	(Ag₆,[Ag₆]⁴⁺)(Cu₄ C₂²⁺)Sb₄S₁₂S_0-1
S	ⓘ Proustite	Ag₃AsS₃
S	ⓘ Pyrargyrite	Ag₃SbS₃
S	ⓘ Pyrite	FeS₂
Cl	Chlorine
Cl	ⓘ Chlorargyrite	AgCl
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Brookite	TiO₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Fe	Iron
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
Cu	Copper
Cu	ⓘ Freibergite Subgroup	(Ag₆,[Ag₆]⁴⁺)(Cu₄ C₂²⁺)Sb₄S₁₂S_0-1
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
As	ⓘ Proustite	Ag₃AsS₃
As	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
Ag	Silver
Ag	ⓘ Acanthite	Ag₂S
Ag	ⓘ Chlorargyrite	AgCl
Ag	ⓘ Freibergite Subgroup	(Ag₆,[Ag₆]⁴⁺)(Cu₄ C₂²⁺)Sb₄S₁₂S_0-1
Ag	ⓘ Proustite	Ag₃AsS₃
Ag	ⓘ Pyrargyrite	Ag₃SbS₃
Ag	ⓘ Native Silver	Ag
Sb	Antimony
Sb	ⓘ Freibergite Subgroup	(Ag₆,[Ag₆]⁴⁺)(Cu₄ C₂²⁺)Sb₄S₁₂S_0-1
Sb	ⓘ Pyrargyrite	Ag₃SbS₃

Fossils

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Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Horcajuelo_de_la_Sierra
Wikidata ID:	Q768730
GeoNames ID:	6359297

Localities in this Region

Spain

Community of Madrid
- Horcajuelo de la Sierra

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate

Iberian MassifOrogenic Belt

EuropeContinent

Iberian PeninsulaPeninsula

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List of minerals arranged by Strunz 10th Edition classification

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Horcajuelo de la Sierra, Community of Madrid, Spain i
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Horcajuelo de la Sierra Municipality
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