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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Sazes da Beira Mines, Sazes da Beira, Seia, Guarda, Portugali
Regional Level Types
Sazes da Beira MinesGroup of Mines (Abandoned)
Sazes da BeiraCivil Parish
SeiaMunicipality
GuardaDistrict
PortugalCountry

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Latitude & Longitude (WGS84):
40° 20' 56'' North , 7° 44' 7'' West
Latitude & Longitude (decimal):
40.34889,-7.73528
GeoHash:
G#: ez4mxcr36
GRN:
N27W05
Type:
Group of Mines (Abandoned) - last checked 2025
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Sazes da Beira283 (2018)0.1km
Loriga1,053 (2018)4.7km
São Romão6,500 (2018)6.1km
Vide761 (2018)7.2km
Seia7,082 (2014)7.7km
Mindat Locality ID:
46911
Long-form identifier:
mindat:1:2:46911:8
GUID (UUID V4):
0
Name(s) in local language(s):
Minas de Sazes da Beira, Sazes da Beira, Seia, Distrito da Guarda, Portugal


Tin-tungsten mines.

CM10 Malhão, registered on 07-05-1925

Mining concessions, included in the mining field:
965 Malhão, registered on 04-09-1920
1213 Mija a Velha no. 2 e Trogal, registered on 03-08-1922
1215 Palmela, registered on 03-08-1922
1218 Lameiras, registered on 05-08-1922
1219 Sazes, registered on 05-08-1922

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


2 valid minerals.

Detailed Mineral List:

ⓘ Cassiterite
Formula: SnO2
ⓘ Quartz
Formula: SiO2
ⓘ 'Wolframite Group'

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘ'Wolframite Group'4.DB.30 va

List of minerals for each chemical element

OOxygen
Oⓘ CassiteriteSnO2
Oⓘ QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
SnTin
Snⓘ CassiteriteSnO2

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
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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