Polymetallic vein located near the ruins of Baita di Cobbio, to the east of Casa Alpina Pio X, along the path leading from Bocca di Biadino to Passo Camisolo. It was exploited in the second half of the 19th century by the companies La Virginia and The Camisolo Mines Ltd. Some trenches and short adits are still observable along the path.

This lode outcrops in various points in the area between Camisolo and Valbona (Baita Cobbio locality).
The lode, with a regular development and with an average thickness of 40 cm, is composed mainly by massive sulfides in baryte-siderite gangue. The principal sulfides of the mineralization, usually altered, are chalcopyrite, argentiferous tetrahedrite and galena, with sphalerite as an accessory mineral. The upper part of the lode is characterized by widespread arsenopyrite and pyrite veins in quartz gangue, often altered in iron hydroxides and arsenates like scorodite. The lode was the object of a limited mining research, with excavation of small galleries and a 50 m long trench. Secondary minerals are very common in the dump and in the mine works; they are represented mainly by azurite, cerussite, covellite and malachite, with various sulfates, arsenates and antimoniate of Cu, Fe and Pb.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

23 valid minerals.

Detailed Mineral List:

ⓘ Anglesite

Formula: PbSO₄

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Arsenopyrite

Formula: FeAsS

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Azurite

Formula: Cu₃(CO₃)₂(OH)₂

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Bariopharmacosiderite

Formula: Ba_0.5Fe³⁺₄(AsO₄)₃(OH)₄ · 5H₂O

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Baryte

Formula: BaSO₄

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Beudantite

Formula: PbFe₃(AsO₄)(SO₄)(OH)₆

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Bournonite

Formula: PbCuSbS₃

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Brochantite

Formula: Cu₄(SO₄)(OH)₆

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Cerussite

Formula: PbCO₃

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Jervis, G. (1873) I tesori sotterranei dell'Italia. Vol. 1: Regioni delle Alpi. Ermanno Loescher, Torino, XV+410 pages

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Covellite

Formula: CuS

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Cuprite

Formula: Cu₂O

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ 'Cuproroméite'

Formula: Cu₂Sb₂(O,OH)₇

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Delafossite

Formula: CuFeO₂

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Galena

Formula: PbS

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Goethite

Formula: α-Fe³⁺O(OH)

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Mimetite

Formula: Pb₅(AsO₄)₃Cl

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Oxyplumboroméite

Formula: Pb₂Sb₂O₆O

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Pyrite

Formula: FeS₂

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Quartz

Formula: SiO₂

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Scorodite

Formula: Fe³⁺AsO₄ · 2H₂O

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Segnitite

Formula: PbFe³⁺₃AsO₄(AsO₃OH)(OH)₆

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ Siderite

Formula: FeCO₃

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

ⓘ 'Tetrahedrite Group'

Formula: ^M2(A₆)^M1(B₄ C₂)^X3(D₄)^S1(Y₁₂)^S2(Z)

References:

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Bournonite	2.GA.50	PbCuSbS₃
Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Cuprite	4.AA.10	Cu₂O
ⓘ	Delafossite	4.AB.15	CuFeO₂
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Oxyplumboroméite	4.DH.	Pb₂Sb₂O₆O
ⓘ	'Cuproroméite'	4.DH.20	Cu₂Sb₂(O,OH)₇
Group 5 - Nitrates and Carbonates
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Cerussite	5.AB.15	PbCO₃
ⓘ	Azurite	5.BA.05	Cu₃(CO₃)₂(OH)₂
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Anglesite	7.AD.35	PbSO₄
ⓘ	Brochantite	7.BB.25	Cu₄(SO₄)(OH)₆
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Beudantite	8.BL.05	PbFe₃(AsO₄)(SO₄)(OH)₆
ⓘ	Segnitite	8.BL.10	PbFe³⁺₃AsO₄(AsO₃OH)(OH)₆
ⓘ	Mimetite	8.BN.05	Pb₅(AsO₄)₃Cl
ⓘ	Scorodite	8.CD.10	Fe³⁺AsO₄ · 2H₂O
ⓘ	Bariopharmacosiderite	8.DK.10	Ba_0.5Fe³⁺₄(AsO₄)₃(OH)₄ · 5H₂O
Unclassified
ⓘ	'Tetrahedrite Group'	-	^M2(A₆)^M1(B₄ C₂)^X3(D₄)^S1(Y₁₂)^S2(Z)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
H	ⓘ Bariopharmacosiderite	Ba_0.5Fe₄³⁺(AsO₄)₃(OH)₄ · 5H₂O
H	ⓘ Beudantite	PbFe₃(AsO₄)(SO₄)(OH)₆
H	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
H	ⓘ Goethite	α-Fe³⁺O(OH)
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Cuproroméite	Cu₂Sb₂(O,OH)₇
H	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
H	ⓘ Segnitite	PbFe₃³⁺AsO₄(AsO₃OH)(OH)₆
C	Carbon
C	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
C	ⓘ Cerussite	PbCO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Siderite	FeCO₃
O	Oxygen
O	ⓘ Anglesite	PbSO₄
O	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
O	ⓘ Bariopharmacosiderite	Ba_0.5Fe₄³⁺(AsO₄)₃(OH)₄ · 5H₂O
O	ⓘ Baryte	BaSO₄
O	ⓘ Beudantite	PbFe₃(AsO₄)(SO₄)(OH)₆
O	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
O	ⓘ Cerussite	PbCO₃
O	ⓘ Cuprite	Cu₂O
O	ⓘ Delafossite	CuFeO₂
O	ⓘ Goethite	α-Fe³⁺O(OH)
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Mimetite	Pb₅(AsO₄)₃Cl
O	ⓘ Cuproroméite	Cu₂Sb₂(O,OH)₇
O	ⓘ Quartz	SiO₂
O	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
O	ⓘ Segnitite	PbFe₃³⁺AsO₄(AsO₃OH)(OH)₆
O	ⓘ Siderite	FeCO₃
O	ⓘ Oxyplumboroméite	Pb₂Sb₂O₆O
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Anglesite	PbSO₄
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Baryte	BaSO₄
S	ⓘ Beudantite	PbFe₃(AsO₄)(SO₄)(OH)₆
S	ⓘ Bournonite	PbCuSbS₃
S	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Covellite	CuS
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
S	ⓘ Tetrahedrite Group	^M2(A₆)^M1(B₄ C₂)^X3(D₄)^S1(Y₁₂)^S2(Z)
Cl	Chlorine
Cl	ⓘ Mimetite	Pb₅(AsO₄)₃Cl
Fe	Iron
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Bariopharmacosiderite	Ba_0.5Fe₄³⁺(AsO₄)₃(OH)₄ · 5H₂O
Fe	ⓘ Beudantite	PbFe₃(AsO₄)(SO₄)(OH)₆
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Delafossite	CuFeO₂
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
Fe	ⓘ Segnitite	PbFe₃³⁺AsO₄(AsO₃OH)(OH)₆
Fe	ⓘ Siderite	FeCO₃
Cu	Copper
Cu	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
Cu	ⓘ Bournonite	PbCuSbS₃
Cu	ⓘ Brochantite	Cu₄(SO₄)(OH)₆
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Covellite	CuS
Cu	ⓘ Cuprite	Cu₂O
Cu	ⓘ Delafossite	CuFeO₂
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Cu	ⓘ Cuproroméite	Cu₂Sb₂(O,OH)₇
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
As	ⓘ Bariopharmacosiderite	Ba_0.5Fe₄³⁺(AsO₄)₃(OH)₄ · 5H₂O
As	ⓘ Beudantite	PbFe₃(AsO₄)(SO₄)(OH)₆
As	ⓘ Mimetite	Pb₅(AsO₄)₃Cl
As	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
As	ⓘ Segnitite	PbFe₃³⁺AsO₄(AsO₃OH)(OH)₆
Sb	Antimony
Sb	ⓘ Bournonite	PbCuSbS₃
Sb	ⓘ Cuproroméite	Cu₂Sb₂(O,OH)₇
Sb	ⓘ Oxyplumboroméite	Pb₂Sb₂O₆O
Ba	Barium
Ba	ⓘ Bariopharmacosiderite	Ba_0.5Fe₄³⁺(AsO₄)₃(OH)₄ · 5H₂O
Ba	ⓘ Baryte	BaSO₄
Pb	Lead
Pb	ⓘ Anglesite	PbSO₄
Pb	ⓘ Beudantite	PbFe₃(AsO₄)(SO₄)(OH)₆
Pb	ⓘ Bournonite	PbCuSbS₃
Pb	ⓘ Cerussite	PbCO₃
Pb	ⓘ Galena	PbS
Pb	ⓘ Mimetite	Pb₅(AsO₄)₃Cl
Pb	ⓘ Segnitite	PbFe₃³⁺AsO₄(AsO₃OH)(OH)₆
Pb	ⓘ Oxyplumboroméite	Pb₂Sb₂O₆O

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate

EuropeContinent

The AlpsMountain Range

Italy

Lombardy
- Lecco Province
  - ValsassinaValley

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References

Jervis, G. (1873) I tesori sotterranei dell'Italia. Vol. 1: Regioni delle Alpi. Ermanno Loescher, Torino, XV+410 pages.

Vergani, F., Gentile, P., Guastoni, A., and Possenti, L. (2020) I minerali del filone Cobbio (Introbio, LC). Rivista Mineralogica Italiana, 44, 2 (2-2020), 90-92.

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