Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Castanheira, Albergaria da Serra, Cabreiros e Albergaria da Serra, Arouca, Aveiro, Portugali
Regional Level Types
CastanheiraOutcrop
Albergaria da Serra- not defined -
Cabreiros e Albergaria da SerraMunicipality
AroucaMunicipality
AveiroDistrict
PortugalCountry

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Latitude & Longitude (WGS84):
40° 51' 2'' North , 8° 16' 59'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Macieira de Cambra4,909 (2018)7.6km
Vale de Cambra7,649 (2014)9.3km
Vila Chã4,295 (2018)15.5km
São Roque5,575 (2018)16.0km
Oliveira de Azemeis11,771 (2014)16.2km
Mindat Locality ID:
234065
Long-form identifier:
mindat:1:2:234065:7
GUID (UUID V4):
0
Name(s) in local language(s):
Castanheira, Albergaria da Serra, Arouca, Distrito de Aveiro, Portugal


Granite outcrop very rich in discoidal biotite nodules

It is a rare type of granite with plagioclase, muscovite and biotite containing rounded nodules of biotite. These nodules are progressively detached by erosion resembling to the local people a rock that gives birth.

See: Casa das Pedras Parideiras - Centro de Interpretação

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Rock Types Recorded

Note: 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)
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Orthoclase
Formula: K(AlSi3O8)
Quartz
Formula: SiO2
Rutile
Formula: TiO2
Sillimanite
Formula: Al2(SiO4)O
Sillimanite var. Fibrolite
Formula: Al2(SiO4)O
Titanite
Formula: CaTi(SiO4)O
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)
Sillimanite9.AF.05Al2(SiO4)O
var. Fibrolite9.AF.05Al2(SiO4)O
Titanite9.AG.15CaTi(SiO4)O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
'Apatite'-Ca5(PO4)3(Cl/F/OH)

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 MuscoviteKAl2(AlSi3O10)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
B TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
O AlbiteNa(AlSi3O8)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O QuartzSiO2
O RutileTiO2
O SillimaniteAl2(SiO4)O
O TitaniteCaTi(SiO4)O
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O ZirconZr(SiO4)
O Sillimanite var. FibroliteAl2(SiO4)O
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al SillimaniteAl2(SiO4)O
Al Sillimanite var. FibroliteAl2(SiO4)O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si SillimaniteAl2(SiO4)O
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
Si Sillimanite var. FibroliteAl2(SiO4)O
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
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)
CaCalcium
Ca TitaniteCaTi(SiO4)O
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ZrZirconium
Zr ZirconZr(SiO4)

Mindat Articles

The "Pedras Parideiras" from Castanheira by Rui Nunes


Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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