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Unnamed pegmatite, Rancajales, San Pedro Massif, Soto del Real, Madrid, Spaini
Regional Level Types
Unnamed pegmatite- not defined -
Rancajales- not defined -
San Pedro MassifMassif
Soto del Real- not defined -
Madrid- not defined -
SpainCountry

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Name(s) in local language(s):Pegmatita de los Rancajales- Macizo de San Pedro, Soto del Real, Madrid, España
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 40° North , 3° West (est.)
Margin of Error:~9km
Köppen climate type:Csb : Warm-summer Mediterranean climate


The San Pedro massif consists mainly of schists and gneiss and intrusions of granitoids which as a consequence of its large amount of volatiles that resulted in differentiated pegmatites, some with more complex mineralogy and complete zonation.

One of the best examples both for its size and completeness of mineralogy is the pegmatite located near the community of Rancajales. Observation of the morphology of the pegmatite and mineral collecting is contingent on the exploitation for feldspar, to open up the formation. Of note is the presence of other outcrops of pegmatites in the massif of San Pedro being difficult to place in a specific municipal area because this mountain lies in several municipalities.

Regions containing this locality

Eurasia PlatePlate
EuropeContinent
Iberian PeninsulaPeninsula

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


19 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Arsenopyrite
Formula: FeAsS
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Becquerelite
Formula: Ca(UO2)6O4(OH)6 · 8H2O
Beraunite
Formula: Fe2+Fe3+5(PO4)4(OH)5 · 6H2O
Beryl
Formula: Be3Al2(Si6O18)
'Biotite'
'Chlorite Group'
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
'Columbite-Tantalite'
Fluorapatite
Formula: Ca5(PO4)3F
'Garnet Group'
Formula: X3Z2(SiO4)3
Isokite
Formula: CaMg(PO4)F
Microcline
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Phosphosiderite
Formula: FePO4 · 2H2O
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Topaz
Formula: Al2(SiO4)(F,OH)2
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Triplite
Formula: (Mn2+,Fe2+)2(PO4)(F,OH)
Uraninite
Formula: UO2
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Becquerelite4.GB.10Ca(UO2)6O4(OH)6 · 8H2O
Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Beraunite8.DC.27Fe2+Fe3+5(PO4)4(OH)5 · 6H2O
Fluorapatite8.BN.05Ca5(PO4)3F
Isokite8.BH.10CaMg(PO4)F
Phosphosiderite8.CD.05FePO4 · 2H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Triplite8.BB.10(Mn2+,Fe2+)2(PO4)(F,OH)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Beryl9.CJ.05Be3Al2(Si6O18)
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Topaz9.AF.35Al2(SiO4)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Chlorite Group'-
'Columbite-Tantalite'-
'Garnet Group'-X3Z2(SiO4)3
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
AX6O19·xH2O
Becquerelite5.7.1.2Ca(UO2)6O4(OH)6 · 8H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Torbernite40.2a.13.1Cu(UO2)2(PO4)2 · 12H2O
(AB)5(XO4)2·xH2O
Phosphosiderite40.4.3.2FePO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Isokite41.5.6.2CaMg(PO4)F
A2(XO4)Zq
Triplite41.6.1.2(Mn2+,Fe2+)2(PO4)(F,OH)
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)2Zq·xH2O
Beraunite42.11.16.1Fe2+Fe3+5(PO4)4(OH)5 · 6H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Biotite'-
'Chlorite Group'-
'Columbite-Tantalite'-
'Garnet Group'-X3Z2(SiO4)3
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H TopazAl2(SiO4)(F,OH)2
H Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
H PhosphosideriteFePO4 · 2H2O
H BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H BecquereliteCa(UO2)6O4(OH)6 · 8H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O QuartzSiO2
O MicroclineK(AlSi3O8)
O BerylBe3Al2(Si6O18)
O TopazAl2(SiO4)(F,OH)2
O Garnet GroupX3Z2(SiO4)3
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O ZirconZr(SiO4)
O FluorapatiteCa5(PO4)3F
O IsokiteCaMg(PO4)F
O Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
O PhosphosideriteFePO4 · 2H2O
O BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O BecquereliteCa(UO2)6O4(OH)6 · 8H2O
O UraniniteUO2
O AlbiteNa(AlSi3O8)
O ClinochloreMg5Al(AlSi3O10)(OH)8
FFluorine
F TopazAl2(SiO4)(F,OH)2
F FluorapatiteCa5(PO4)3F
F IsokiteCaMg(PO4)F
F Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg IsokiteCaMg(PO4)F
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al MicroclineK(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al TopazAl2(SiO4)(F,OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al AlbiteNa(AlSi3O8)
Al ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Si QuartzSiO2
Si MicroclineK(AlSi3O8)
Si BerylBe3Al2(Si6O18)
Si TopazAl2(SiO4)(F,OH)2
Si Garnet GroupX3Z2(SiO4)3
Si ZirconZr(SiO4)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si AlbiteNa(AlSi3O8)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
PPhosphorus
P FluorapatiteCa5(PO4)3F
P IsokiteCaMg(PO4)F
P Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
P PhosphosideriteFePO4 · 2H2O
P BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
S PyriteFeS2
S ArsenopyriteFeAsS
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca FluorapatiteCa5(PO4)3F
Ca IsokiteCaMg(PO4)F
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca BecquereliteCa(UO2)6O4(OH)6 · 8H2O
MnManganese
Mn Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
Fe PhosphosideriteFePO4 · 2H2O
Fe BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
CuCopper
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
AsArsenic
As ArsenopyriteFeAsS
ZrZirconium
Zr ZirconZr(SiO4)
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U BecquereliteCa(UO2)6O4(OH)6 · 8H2O
U UraniniteUO2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
-Fisher D.J. (1958), Las Pegmatitas del cerro de San Pedro y sus formaciones encajantes. Tesis licen. Univ. Complutense Madrid 175 pp.
-Gonzalez del Tánago J. (1985), Las Pegmatitas Graníticas de San Pedro, Sistema Central Español. Bol. Soc.Española de Mineralogía: pp.207-217.
- Jiménez Martínez, R., González Laguna, R., Lozano Fernández, R.P., Paradas Herrero, Á., Baeza Chico, E., Torres Matilla, M.J. y Cabrera Andonaegui, B. 2013. Colección de Minerales de las Comunidades y Ciudades Autónomas del Museo Geominero: Catálogo de la Comunidad de Madrid. Cuadernos del Museo Geominero, 16, publicación en CD-ROM.

External Links

- http://www.foro-minerales.com/forum/viewtopic.php?p=133075#133075 (discussion about the locality in Spanish language)

- http://www.igme.es/museo/publicaciones/Coleccion_Minerales_CAM2.pdf (Madrid minerals catalog of Geominero Museum, in Spanish language)

- http://www.igme.es/museo/publicaciones/cuadernos/Cuadernos%20del%20Museo%20Geominero_numero%2028_ingles.pdf
(Madrid minerals catalog of Geominero Museum, in English language)

ATTENTION: This is a locality revised by FMF Mineral Forum. We suggest do not make any changes or alterations to this locality file without discussing. Contributors could bring proposed updates to his attention either under the 'Mistakes and Errors Forum' in Mindat or directly in FMF Forum. Thank you.

ATENCIÓN: Ésta es una localidad que ha sido revisada por Foro FMF. Se ruega no introducir ningún tipo de modificación en esta ficha sin dialogarlo antes en la sección 'Mistakes and Errors Forum' de Mindat o directamente en Foro FMF . Gracias.


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