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Argentiera di Sant'Anna Mines, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italyi
| Regional Level Types | |
|---|---|
| Argentiera di Sant'Anna Mines | Group of Mines |
| Sant'Anna di Stazzema | Village |
| Stazzema | Commune |
| Lucca Province | Province |
| Tuscany | Region |
| Italy | Country |
Argentiera di Sant'Anna Mines, Apuan Alps, Tuscany, Italy
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Latitude & Longitude (WGS84):
43° North , 10° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Group of Mines
Köppen climate type:
Other/historical names associated with this locality:
Val di Castello
Name(s) in local language(s):
Miniere dell'Argentiera di Sant'Anna, Sant'Anna di Stazzema, Stazzema, Alpi Apuane, Lucca, Toscana, Italia
The mining complex named “Argentiera di S. Anna” is formed by many tunnels, some of them of medieval origin, that were dug to follow the rich-in-silver galena veins, that represent the southern prosecution of the Bottino area.
Other mines and galleries were dug also to follow iron mineralizations at the tectonic contact between porphyric palaeozoic rocks and limestone metamorphic formations.
The most important tunnels and levels of this area are the S. Barbara tunnel (585 m) and the Fontana tunnel (750 m).
The first was dug in 1843 and worked up to 1960. This tunnel is famous for its siderite, cerussite, galena, barite and bournonite.
The Fontana tunnel is important for its bournonite and magnetite specimens.
Other tunnels are:
Le Trincee tunnel (790 m);
Rava tunnel (775 m);
dell'Acqua tunnel (728 m);
Pollastrelli tunnel (714 m);
Bussoli tunnel (706 m);
Buca Trave tunnel (690 m);
Bocca Tana tunnel (684 m);
Fondoni tunnel (678 m);
Felcini tunnel (653 m);
Pungitopi tunnel (646 m);
Metato tunnel (646 m);
Pozzo al Fabbro tunnel (623 m);
Ribasso Santa Barbara (554 m).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
23 valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.
Detailed Mineral List:
| ⓘ Acanthite Formula: Ag2S Colour: black |
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ Aragonite Formula: CaCO3 |
| ⓘ Baryte Formula: BaSO4 |
| ⓘ Boulangerite Formula: Pb5Sb4S11 |
| ✪ Bournonite Formula: PbCuSbS3 Habit: tabular, prismatic Colour: gray, black Description: Bournonite is present in Santa Barbara tunnel and Fontana tunnel. Bournonite xls of Santa Barbara show {100}, {010}, {001}, {011} and {101} (Pelloux, 1922). Bournonite xls of Fontana tunnel are more complex and show these forms: {100}, {010}, {001}, {110}, {210}, {120}, {420}, {320}, {101}, {102}, {011}, {111}, {112} and {212} (Pelloux, 1922). |
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Cerussite Formula: PbCO3 |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Covellite Formula: CuS Description: It is an alteration product of chalcopyrite and it was observed in its fractures. Sometimes it is around galena or bournonite grains. |
| ⓘ Digenite Formula: Cu9S5 Description: It is an alteration product of chalcopyrite and it was observed in its fractures. |
| ⓘ Galena Formula: PbS |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Gypsum Formula: CaSO4 · 2H2O |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ Meneghinite Formula: Pb13CuSb7S24 |
| ⓘ Native Gold ? Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Siderite Formula: FeCO3 |
| ⓘ Sphalerite Formula: ZnS |
| ⓘ 'Targionite' (FRL) Type Locality: Description: Possibly impure galena or steinmannite. |
| ⓘ 'Tetrahedrite Subgroup' Formula: Cu6(Cu4C2+2)Sb4S12S |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold ? | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Digenite | 2.BA.10 | Cu9S5 |
| ⓘ | Acanthite | 2.BA.35 | Ag2S |
| ⓘ | Covellite | 2.CA.05a | CuS |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Bournonite | 2.GA.50 | PbCuSbS3 |
| ⓘ | 'Tetrahedrite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)Sb4S12S |
| ⓘ | Meneghinite | 2.HB.05b | Pb13CuSb7S24 |
| ⓘ | Boulangerite | 2.HC.15 | Pb5Sb4S11 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| ⓘ | Aragonite | 5.AB.15 | CaCO3 |
| ⓘ | Cerussite | 5.AB.15 | PbCO3 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| Group 9 - Silicates | |||
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
| ⓘ | 'Targionite' (TL) | - | |
List of minerals for each chemical element
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
- Apennine OrogenAccretionary Complex
EuropeContinent
Italy
- Tuscany
- Apuan AlpsMountain Range
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Argentiera di Sant'Anna Mines, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy