Description: Black "manganese dendrites" have never been identified as "pyrolusite". See Potter, R. and Rossman, G, 1979, Mineralogy of Manganese Dendrites and Coatings, American Mineralogist, v. 64, p. 1219-1226.

ⓘ Quartz

Formula: SiO₂

ⓘ Schorl

Formula: NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

ⓘ Torbernite

Formula: Cu(UO₂)₂(PO₄)₂ · 12H₂O

ⓘ Triplite

Formula: Mn²⁺₂(PO₄)F

Gallery:

FeWO₄ⓘ Ferberite

Ferberite

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

Ferberite

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

Ferberite

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

KAl₂(AlSi₃O₁₀)(OH)₂ⓘ Muscovite

Muscovite

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

Muscovite

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

Muscovite

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

K(AlSi₃O₈)ⓘ Orthoclase

Orthoclase, etc.

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

Orthoclase, etc.

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

Orthoclase, etc.

Real quarry, Real, Penalva do Castelo, Viseu, Portugal

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Cassiterite	4.DB.05	SnO₂
ⓘ	Pyrolusite ?	4.DB.05	Mn⁴⁺O₂
ⓘ	Ferberite	4.DB.30	FeWO₄
ⓘ	Hübnerite	4.DB.30	MnWO₄
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Brochantite	7.BB.25	Cu₄(SO₄)(OH)₆
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Triplite	8.BB.10	Mn²⁺₂(PO₄)F
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
ⓘ	Torbernite	8.EB.05	Cu(UO₂)₂(PO₄)₂ · 12H₂O
ⓘ	Metatorbernite	8.EB.10	Cu(UO₂)₂(PO₄)₂ · 8H₂O
Group 9 - Silicates
ⓘ	Bertrandite	9.BD.05	Be₄(Si₂O₇)(OH)₂
ⓘ	Beryl	9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ	Schorl	9.CK.05	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Cleavelandite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Feldspar Group'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Bertrandite	Be₄(Si₂O₇)(OH)₂
H	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
H	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
Be	Beryllium
Be	ⓘ Bertrandite	Be₄(Si₂O₇)(OH)₂
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
B	Boron
B	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Bertrandite	Be₄(Si₂O₇)(OH)₂
O	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Cassiterite	SnO₂
O	ⓘ Ferberite	FeWO₄
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Hübnerite	MnWO₄
O	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Quartz	SiO₂
O	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
O	ⓘ Triplite	Mn₂²⁺(PO₄)F
O	ⓘ Albite var. Cleavelandite	Na(AlSi₃O₈)
F	Fluorine
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
F	ⓘ Triplite	Mn₂²⁺(PO₄)F
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	ⓘ Albite var. Cleavelandite	Na(AlSi₃O₈)
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Albite var. Cleavelandite	Na(AlSi₃O₈)
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Bertrandite	Be₄(Si₂O₇)(OH)₂
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Albite var. Cleavelandite	Na(AlSi₃O₈)
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
P	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
P	ⓘ Triplite	Mn₂²⁺(PO₄)F
S	Sulfur
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
S	ⓘ Chalcopyrite	CuFeS₂
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Orthoclase	K(AlSi₃O₈)
Ca	Calcium
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Fluorite	CaF₂
Mn	Manganese
Mn	ⓘ Hübnerite	MnWO₄
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Mn	ⓘ Triplite	Mn₂²⁺(PO₄)F
Fe	Iron
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Ferberite	FeWO₄
Fe	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Cu	Copper
Cu	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
Cu	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
Sn	Tin
Sn	ⓘ Cassiterite	SnO₂
W	Tungsten
W	ⓘ Ferberite	FeWO₄
W	ⓘ Hübnerite	MnWO₄
U	Uranium
U	ⓘ Metatorbernite	Cu(UO₂)₂(PO₄)₂ · 8H₂O
U	ⓘ Torbernite	Cu(UO₂)₂(PO₄)₂ · 12H₂O

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate

Iberian MassifOrogenic Belt

EuropeContinent

Iberian PeninsulaPeninsula

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Real quarry, Real, Penalva do Castelo, Viseu, PortugaliRegional Level TypesReal quarryQuarry RealCivil Parish Penalva do CasteloMunicipality ViseuDistrict PortugalCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

Real quarry, Real, Penalva do Castelo, Viseu, Portugal i
Regional Level Types
Real quarry Quarry
Real Civil Parish
Penalva do Castelo Municipality
Viseu District
Portugal Country