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A Franqueira, A Cañiza, Pontevedra, Galicia, Spaini
Regional Level Types
A Franqueira- not defined -
A CañizaMunicipality
PontevedraProvince
GaliciaAutonomous Community
SpainCountry

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Latitude & Longitude (WGS84):
42° 10' 54'' North , 8° 21' 36'' West
Latitude & Longitude (decimal):
42.18187,-8.36016
GRN:
N29W05
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Covelo3,710(2011)5.8km
Meirol197(2018)6.1km
Arbo3,973(2012)8.1km
Mondariz5,259(2013)9.8km
Mondariz-Balneario712(2012)10.1km
Mindat Locality ID:
3128
Long-form identifier:
mindat:1:2:3128:1
GUID (UUID V4):
0
Name(s) in local language(s):
A Franqueira, A Cañiza, Pontevedra, Galicia, España


Emerald and alexandrite occurrence.

Note: coordinates are those of the village.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘAlbite
Formula:Na(AlSi3O8)
ⓘAlmandine
Formula:Fe2+3Al2(SiO4)3
ⓘAnorthite
Formula:Ca(Al2Si2O8)
ⓘAnthophyllite
Formula:◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘBeryl
Formula:Be3Al2(Si6O18)
ⓘBeryl var. Emerald
Formula:Be3Al2(Si6O18)
ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘChalcopyrite
Formula:CuFeS2
ⓘ'Chlorite Group'
ⓘChromite
Formula:Fe2+Cr3+2O4
ⓘChrysoberyl
Formula:BeAl2O4
ⓘChrysoberyl var. Alexandrite
Formula:BeAl2O4
ⓘClinohumite
Formula:Mg9(SiO4)4F2
ⓘDravite
Formula:NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘFerro-hornblende
Formula:◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2
ⓘFerrosilite
Formula:Fe2+2Si2O6
ⓘFluorapatite
Formula:Ca5(PO4)3F
ⓘForsterite
Formula:Mg2SiO4
ⓘIlmenite
Formula:Fe2+TiO3
ⓘ'K Feldspar'
ⓘMagnesio-hornblende
Formula:◻Ca2(Mg4Al)(Si7Al)O22(OH)2
ⓘMaucherite
Formula:Ni11As8
ⓘMillerite
Formula:NiS
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘMuscovite var. Sericite
Formula:KAl2(AlSi3O10)(OH)2
ⓘNickeline
Formula:NiAs
ⓘPentlandite
Formula:(NixFey)Σ9S8
ⓘPhenakite
Formula:Be2SiO4
ⓘPhlogopite
Formula:KMg3(AlSi3O10)(OH)2
ⓘPyrite
Formula:FeS2
ⓘPyrrhotite
Formula:Fe1-xS
ⓘQuartz
Formula:SiO2
ⓘRutile
Formula:TiO2
ⓘ'Serpentine Subgroup'
Formula:D3[Si2O5](OH)4
ⓘTitanite
Formula:CaTi(SiO4)O
ⓘTremolite
Formula:◻Ca2Mg5(Si8O22)(OH)2
ⓘTschermakite
Formula:◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
ⓘWesterveldite
Formula:(Fe,Ni,Co)As
ⓘZircon
Formula:Zr(SiO4)
ⓘZoisite
Formula:(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Gallery:

Be3Al2(Si6O18)ⓘBeryl
Be3Al2(Si6O18)ⓘBeryl var. Emerald
BeAl2O4ⓘChrysoberyl var. Alexandrite
Be2SiO4ⓘPhenakite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘMaucherite2.AB.15Ni11As8
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘNickeline2.CC.05NiAs
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘWesterveldite2.CC.15(Fe,Ni,Co)As
ⓘMillerite2.CC.20NiS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘChrysoberyl
var. Alexandrite		4.BA.05BeAl2O4
ⓘ4.BA.05BeAl2O4
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘPhenakite9.AA.05Be2SiO4
ⓘForsterite9.AC.05Mg2SiO4
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘClinohumite9.AF.55Mg9(SiO4)4F2
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘZoisite9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘvar. Emerald9.CJ.05Be3Al2(Si6O18)
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘFerrosilite9.DA.05Fe2+2Si2O6
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘFerro-hornblende9.DE.10◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2
ⓘMagnesio-hornblende9.DE.10◻Ca2(Mg4Al)(Si7Al)O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTschermakite9.DE.10◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'K Feldspar'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
HⓘAnthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
HⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
HⓘDraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
HⓘFerro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
HⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
HⓘPhlogopiteKMg3(AlSi3O10)(OH)2
HⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
HⓘTschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
HⓘZoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
HⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
HⓘSerpentine SubgroupD3[Si2O5](OH)4
BeBeryllium
BeⓘChrysoberyl var.AlexandriteBeAl2O4
BeⓘBerylBe3Al2(Si6O18)
BeⓘChrysoberylBeAl2O4
BeⓘBeryl var.EmeraldBe3Al2(Si6O18)
BeⓘPhenakiteBe2SiO4
BBoron
BⓘDraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
OⓘAlbiteNa(AlSi3O8)
OⓘChrysoberyl var.AlexandriteBeAl2O4
OⓘAnorthiteCa(Al2Si2O8)
OⓘAnthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
OⓘAlmandineFe32+Al2(SiO4)3
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘBerylBe3Al2(Si6O18)
OⓘChromiteFe2+Cr23+O4
OⓘChrysoberylBeAl2O4
OⓘClinohumiteMg9(SiO4)4F2
OⓘDraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
OⓘBeryl var.EmeraldBe3Al2(Si6O18)
OⓘFerro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
OⓘFerrosiliteFe22+Si2O6
OⓘFluorapatiteCa5(PO4)3F
OⓘForsteriteMg2SiO4
OⓘIlmeniteFe2+TiO3
OⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘPhenakiteBe2SiO4
OⓘPhlogopiteKMg3(AlSi3O10)(OH)2
OⓘQuartzSiO2
OⓘRutileTiO2
OⓘTitaniteCaTi(SiO4)O
OⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
OⓘTschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
OⓘZirconZr(SiO4)
OⓘZoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
OⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
OⓘSerpentine SubgroupD3[Si2O5](OH)4
FFluorine
FⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FⓘClinohumiteMg9(SiO4)4F2
FⓘFluorapatiteCa5(PO4)3F
NaSodium
NaⓘAlbiteNa(AlSi3O8)
NaⓘDraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
MgⓘAnthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgⓘClinohumiteMg9(SiO4)4F2
MgⓘDraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
MgⓘForsteriteMg2SiO4
MgⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
MgⓘPhlogopiteKMg3(AlSi3O10)(OH)2
MgⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
MgⓘTschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
AlAluminium
AlⓘAlbiteNa(AlSi3O8)
AlⓘChrysoberyl var.AlexandriteBeAl2O4
AlⓘAnorthiteCa(Al2Si2O8)
AlⓘAlmandineFe32+Al2(SiO4)3
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘBerylBe3Al2(Si6O18)
AlⓘChrysoberylBeAl2O4
AlⓘDraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
AlⓘBeryl var.EmeraldBe3Al2(Si6O18)
AlⓘFerro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
AlⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘPhlogopiteKMg3(AlSi3O10)(OH)2
AlⓘTschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
AlⓘZoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
AlⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
SiⓘAlbiteNa(AlSi3O8)
SiⓘAnorthiteCa(Al2Si2O8)
SiⓘAnthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
SiⓘAlmandineFe32+Al2(SiO4)3
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘBerylBe3Al2(Si6O18)
SiⓘClinohumiteMg9(SiO4)4F2
SiⓘDraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
SiⓘBeryl var.EmeraldBe3Al2(Si6O18)
SiⓘFerro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
SiⓘFerrosiliteFe22+Si2O6
SiⓘForsteriteMg2SiO4
SiⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘPhenakiteBe2SiO4
SiⓘPhlogopiteKMg3(AlSi3O10)(OH)2
SiⓘQuartzSiO2
SiⓘTitaniteCaTi(SiO4)O
SiⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
SiⓘTschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
SiⓘZirconZr(SiO4)
SiⓘZoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
SiⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
SiⓘSerpentine SubgroupD3[Si2O5](OH)4
PPhosphorus
PⓘFluorapatiteCa5(PO4)3F
SSulfur
SⓘChalcopyriteCuFeS2
SⓘMilleriteNiS
SⓘPentlandite(NixFey)Σ9S8
SⓘPyriteFeS2
SⓘPyrrhotiteFe1-xS
KPotassium
KⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
KⓘPhlogopiteKMg3(AlSi3O10)(OH)2
KⓘMuscovite var.SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
CaⓘAnorthiteCa(Al2Si2O8)
CaⓘFerro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
CaⓘFluorapatiteCa5(PO4)3F
CaⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
CaⓘTitaniteCaTi(SiO4)O
CaⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
CaⓘTschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
CaⓘZoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
TiTitanium
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
TiⓘIlmeniteFe2+TiO3
TiⓘRutileTiO2
TiⓘTitaniteCaTi(SiO4)O
CrChromium
CrⓘChromiteFe2+Cr23+O4
FeIron
FeⓘAlmandineFe32+Al2(SiO4)3
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘChalcopyriteCuFeS2
FeⓘChromiteFe2+Cr23+O4
FeⓘFerro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
FeⓘFerrosiliteFe22+Si2O6
FeⓘIlmeniteFe2+TiO3
FeⓘPentlandite(NixFey)Σ9S8
FeⓘPyriteFeS2
FeⓘPyrrhotiteFe1-xS
FeⓘWesterveldite(Fe,Ni,Co)As
CoCobalt
CoⓘWesterveldite(Fe,Ni,Co)As
NiNickel
NiⓘMaucheriteNi11As8
NiⓘMilleriteNiS
NiⓘNickelineNiAs
NiⓘPentlandite(NixFey)Σ9S8
NiⓘWesterveldite(Fe,Ni,Co)As
CuCopper
CuⓘChalcopyriteCuFeS2
AsArsenic
AsⓘMaucheriteNi11As8
AsⓘNickelineNiAs
AsⓘWesterveldite(Fe,Ni,Co)As
ZrZirconium
ZrⓘZirconZr(SiO4)

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References

Franz, G., Gilg, H. A., Grundmann, G., Morteani, G., Martin-Izard, A., Paniagua, A., ... & Marcos-Pascual, C. (1996). Metasomatism at a granitic pegmatite-dunite contact in Galicia; the Franqueira occurrence of chrysoberyl (alexandrite), emerald, and phenakite; discussion and reply. The Canadian Mineralogist, 34(6), 1329-1336.
Calvo, Miguel, García, José Ramón (1997) Emerald and Associated Minerals from A Franqueira, Pontevedra, Spain.The Mineralogical Record, 28 (6) 497-501
Calvo Rebollar, Miguel. (2018). Minerales y Minas de España. Vol. IX. Silicatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 767 págs.
Martín-Izard, Agustín, y Calvo, Miguel (2022). Le gisement d’emeraude de A Franqueira, Galice, Espagne.En: Émeraydes, tout un monde!. (Giuliani, G. ed.) Les Editions du Piat, 109-112.
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