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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São João da Madeira, São João da Madeira, Aveiro, Portugali
Regional Level Types
São João da Madeira- not defined -
São João da MadeiraMunicipality
AveiroDistrict
PortugalCountry

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Neighbouring regions:
São Roque, Oliveira de Azeméis, Aveiro, Portugal
Milheirós de Poiares, Santa Maria da Feira, Aveiro, Portugal
Largest Settlements:
PlacePopulation
São João da Madeira22,079 (2018)
Mindat Locality ID:
259616
Long-form identifier:
mindat:1:2:259616:0
GUID (UUID V4):
0
Name(s) in local language(s):
São João da Madeira, São João da Madeira , Distrito de Aveiro, Portugal


Parish with the same name of its municipality.

Mining concession "Quintã" no. 2739 (Kaolinite), registered on 20-06-1951.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

2 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Mica Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ KaoliniteAl2(Si2O5)(OH)4
OOxygen
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ QuartzSiO2
AlAluminium
Alⓘ KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ QuartzSiO2

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Localities in this Region

Portugal
  • Aveiro

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate
Iberian PeninsulaPeninsula

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.
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