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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Cova da Raposa Mine, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugali
Regional Level Types
Cova da Raposa MineMine (Active)
Tavares (Chãs; Várzea e Travanca)Civil Parish
MangualdeMunicipality
ViseuDistrict
PortugalCountry

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Latitude & Longitude (WGS84):
40° 37' 42'' North , 7° 37' 45'' West
Latitude & Longitude (decimal):
Type:
Mine (Active) - last checked 2025
Nearest Settlements:
PlacePopulationDistance
Mesquitela954 (2018)11.0km
Mangualde8,895 (2014)11.4km
Sátão4,034 (2018)15.3km
Cortiçada341 (2018)16.8km
Valverde203 (2018)19.5km
Mindat Locality ID:
106015
Long-form identifier:
mindat:1:2:106015:0
GUID (UUID V4):
0
Other/historical names associated with this locality:
Alto da Casinha Mine


Kaolin mine.

Note: This locality was initially uploaded as a kaolin extraction site, the Cova da Raposa mine — which now leads me to believe that was correct. I think that after several years of inactivity it resumed operations, extracting quartz and feldspar under the name Mina Alto da Casinha (operated by Felmica). It is also possible that we are dealing with two distinct localities. I will restore the initial information and wait for confirmation that might support any eventual change.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
References:
Albite var. Cleavelandite
Formula: Na(AlSi3O8)
References:
Arsenopyrite
Formula: FeAsS
References:
Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
References:
Bertrandite
Formula: Be4(Si2O7)(OH)2
References:
Beryl
Formula: Be3Al2(Si6O18)
References:
Fluorapatite
Formula: Ca5(PO4)3F
References:
Fluorite
Formula: CaF2
References:
Kaolinite
Formula: Al2(Si2O5)(OH)4
References:
'Lepidolite'
References:
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
References:
Orthoclase
Formula: K(AlSi3O8)
References:
Pyrite
Formula: FeS2
References:
Quartz
Formula: SiO2
References:
Scorodite
Formula: Fe3+AsO4 · 2H2O
References:
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Scorodite8.CD.10Fe3+AsO4 · 2H2O
Autunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
Bertrandite9.BD.05Be4(Si2O7)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Orthoclase9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
'Lepidolite'-

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 10-12H2O
H BertranditeBe4(Si2O7)(OH)2
H KaoliniteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
H ScoroditeFe3+AsO4 · 2H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
BeBeryllium
Be BertranditeBe4(Si2O7)(OH)2
Be BerylBe3Al2(Si6O18)
OOxygen
O AlbiteNa(AlSi3O8)
O AutuniteCa(UO2)2(PO4)2 · 10-12H2O
O BertranditeBe4(Si2O7)(OH)2
O BerylBe3Al2(Si6O18)
O FluorapatiteCa5(PO4)3F
O KaoliniteAl2(Si2O5)(OH)4
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O QuartzSiO2
O ScoroditeFe3+AsO4 · 2H2O
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O Albite var. CleavelanditeNa(AlSi3O8)
FFluorine
F FluorapatiteCa5(PO4)3F
F FluoriteCaF2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite var. CleavelanditeNa(AlSi3O8)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BertranditeBe4(Si2O7)(OH)2
Si BerylBe3Al2(Si6O18)
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si Albite var. CleavelanditeNa(AlSi3O8)
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 10-12H2O
P FluorapatiteCa5(PO4)3F
P TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
S ArsenopyriteFeAsS
S PyriteFeS2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Ca FluorapatiteCa5(PO4)3F
Ca FluoriteCaF2
FeIron
Fe ArsenopyriteFeAsS
Fe PyriteFeS2
Fe ScoroditeFe3+AsO4 · 2H2O
CuCopper
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
AsArsenic
As ArsenopyriteFeAsS
As ScoroditeFe3+AsO4 · 2H2O
UUranium
U AutuniteCa(UO2)2(PO4)2 · 10-12H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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