Torrington, Litchfield County, Connecticut, USAi
| Regional Level Types | |
|---|---|
| Torrington | City |
| Litchfield County | County |
| Connecticut | State |
| USA | Country |
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Neighbouring regions:
Type:
Largest Settlements:
| Place | Population |
|---|---|
| West Torrington | 36,000 (2017) |
| Torrington | 34,906 (2017) |
Other/historical names associated with this locality:
Wolcottville
Torrington is a city (formerly a mill town) on the upper reaches of the Naugatuck River that was initially known as Wolcottville. It was first incorporated in 1740 and was the birthplace of the state's brass industry starting around 1835. It is the largest city in Litchfield County and the birthplace of abolitionist John Brown, who's infamous 1859 Harper's Ferry raiders included John Cook, son of Haddam, Connecticut mineral collector/dealer Nathaniel Cook.
The geology of Torrington includes very complexly faulted and folded metamorphic rocks. The oldest and most resistant rocks are Late Proterozoic (Grenville age) gneisses, part of the Laurentian crust, that occupy a V-shaped area opening to the north, with the apex near downtown. The east side follows State Route 8, and the west side trending NW to Drakeville and beyond. These rocks are the southern terminus of the Berkshire Massif. Allochthonous Cambrian Manhattan and Hoosic Schists flank the Proterozoic Gneisses to the W and E, respectively. In the southwest part of town, around West Torrington, is a complex of small Ordovician intrusives including the Litchfield Norite, which contain grains of pyrrhotite, chalcopyrite and pentlandite (equivalent to a similar complex at Prospect Mountain in Litchfield), and felsic gneiss that overlap the Cameron's Line thrust fault. South of these plutons and the thrust fault is an area of Cambro-Ordovician Rowe Schist and amphibolite, and Ratlum Mountain Schist, that extends southward into NE Litchfield. These schists host many large porphyroblastic minerals such as almandine, kyanite, staurolite, albite and ilmenite. Regional, presumably Mesozoic-age, high-angle normal faults cut these metamorphic rocks. A NW-SE trending fault follows the West branch of the Naugatuck River and a NE-SW trending fault follows the Still River and state Route 8, the two faults intersecting just W of downtown and more or less topographically defining the S end of the Berkshire Massif.
The geology of Torrington includes very complexly faulted and folded metamorphic rocks. The oldest and most resistant rocks are Late Proterozoic (Grenville age) gneisses, part of the Laurentian crust, that occupy a V-shaped area opening to the north, with the apex near downtown. The east side follows State Route 8, and the west side trending NW to Drakeville and beyond. These rocks are the southern terminus of the Berkshire Massif. Allochthonous Cambrian Manhattan and Hoosic Schists flank the Proterozoic Gneisses to the W and E, respectively. In the southwest part of town, around West Torrington, is a complex of small Ordovician intrusives including the Litchfield Norite, which contain grains of pyrrhotite, chalcopyrite and pentlandite (equivalent to a similar complex at Prospect Mountain in Litchfield), and felsic gneiss that overlap the Cameron's Line thrust fault. South of these plutons and the thrust fault is an area of Cambro-Ordovician Rowe Schist and amphibolite, and Ratlum Mountain Schist, that extends southward into NE Litchfield. These schists host many large porphyroblastic minerals such as almandine, kyanite, staurolite, albite and ilmenite. Regional, presumably Mesozoic-age, high-angle normal faults cut these metamorphic rocks. A NW-SE trending fault follows the West branch of the Naugatuck River and a NE-SW trending fault follows the Still River and state Route 8, the two faults intersecting just W of downtown and more or less topographically defining the S end of the Berkshire Massif.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities31 valid minerals.
Detailed Mineral List:
| ⓘ Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 References: |
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ 'Amphibole Supergroup' Formula: AB2C5(T8O22)W2 |
| ⓘ Anatase Formula: TiO2 Habit: tabular Colour: dark blue to dark blue-green edge-on but with blue, yellow to brownish zones face-on Description: Microcrystals in thin Alpine clefts. References: |
| ⓘ Annite Formula: KFe2+3(AlSi3O10)(OH)2 Colour: black References: |
| ⓘ 'Apatite' Formula: Ca5(PO4)3A |
| ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 References: |
| ⓘ 'Bloodstone' Formula: SiO2 Colour: shades of red Description: Found as loose rocks in glacial till. |
| ⓘ Bornite ? Formula: Cu5FeS4 Description: Partial microcrystal aggregate in an Alpine cleft with a blue iridescent tarnish. References: |
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ 'Chlorite Group' |
| ⓘ 'Chrysoprase' Colour: apple green Description: Found as loose rocks in glacial till. |
| ⓘ Diopside Formula: CaMgSi2O6 Localities: Description: Occurring as 2mm crystals in massive diopside. |
| ⓘ Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) References: |
| ⓘ 'Fergusonite' ? References: |
| ⓘ Fluorapatite Formula: Ca5(PO4)3F Localities: Description: Sharp blue crystals that were damaged upon discovery. Yellow fluorescence. |
| ⓘ Hematite Formula: Fe2O3 References: |
| ⓘ Hemimorphite Formula: Zn4Si2O7(OH)2 · H2O Habit: elongated tabular Colour: white Fluorescence: pale blue-white under SW UV light Description: Microcrystals arranged in spherical to fan-shaped aggregates in thin Alpine clefts. References: |
| ⓘ Heulandite-Ca Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O Habit: coffin-shaped Colour: pale yellow-white Description: Microcrystals in thin Alpine clefts. References: |
| ⓘ 'Heulandite Subgroup' Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O References: |
| ⓘ 'K Feldspar' References: |
| ⓘ 'K Feldspar var. Adularia' Formula: KAlSi3O8 Habit: Pseudorhombic Colour: white to pale pink Description: Microcrystals in Alpine clefts. References: |
| ⓘ Kyanite Formula: Al2(SiO4)O |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Microcline Formula: K(AlSi3O8) |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Opal Formula: SiO2 · nH2O Description: In banded rocks with agate, found loose in glacial till. |
| ⓘ Pentlandite Formula: (NixFey)Σ9S8 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 Localities: Habit: short prismatic Colour: milky to light smoky Description: Mostly as rock-forming grains in schist, granofels and pegmatites, but also as microcrystals in thin Alpine clefts and crystals to a couple of cm in miarolitic cavities in pegmatite. |
| ⓘ Quartz var. Agate Formula: SiO2 |
| ⓘ Quartz var. Carnelian Formula: SiO2 Description: Found as loose rocks in glacial till. |
| ⓘ Quartz var. Chalcedony Formula: SiO2 |
| ⓘ Quartz var. Sard Formula: SiO2 Colour: deep red, bluish red, and yellow Description: Found as loose rocks in glacial till. |
| ⓘ Quartz var. Sardonyx Formula: SiO2 Colour: deep red, bluish red, and yellow Description: Found as loose rocks in glacial till. |
| ⓘ Quartz var. Smoky Quartz Formula: SiO2 |
| ⓘ 'Scapolite' |
| ⓘ Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) Habit: elongated prismatic Colour: black Description: Crystals to around 10 cm in pegmatites, particularly near the walls. References: |
| ⓘ Sphalerite Formula: ZnS Habit: complex tetrahedral Colour: orange to yellow-brown Description: Microcrystals and thin veins associated with thin Alpine clefts. References: |
| ⓘ Staurolite Formula: Fe2+2Al9Si4O23(OH) Localities: Habit: elongated prismatic Colour: dark brown Description: Elongated porphyroblastic crystals to several cm. |
| ⓘ 'Stilbite Subgroup' Formula: M6-7[Al8-9Si27-28O72] · nH2O References: |
| ⓘ 'Synchysite Group' Habit: tabular hexagonal Colour: chalky white Description: Microcrystalline aggregates in thin Alpine clefts. References: |
| ⓘ Szomolnokite Formula: FeSO4 · H2O |
| ⓘ Talc Formula: Mg3Si4O10(OH)2 |
| ⓘ Titanite Formula: CaTiO(SiO4) References: |
| ⓘ Tremolite Formula: ◻Ca2Mg5(Si8O22)(OH)2 Localities: Description: Sharp green blades. None terminated |
| ⓘ Violarite Formula: Fe2+Ni3+2S4 |
| ⓘ Wulfenite Formula: Pb(MoO4) Habit: acicular with square cross-section Colour: pale yellow Description: Microcrystals in thin Alpine clefts. References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Bornite ? | 2.BA.15 | Cu5FeS4 |
| ⓘ | Pentlandite | 2.BB.15 | (NixFey)Σ9S8 |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Violarite | 2.DA.05 | Fe2+Ni3+2S4 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz var. Agate | 4.DA.05 | SiO2 |
| ⓘ | var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| ⓘ | var. Smoky Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Sardonyx | 4.DA.05 | SiO2 |
| ⓘ | var. Sard | 4.DA.05 | SiO2 |
| ⓘ | var. Carnelian | 4.DA.05 | SiO2 |
| ⓘ | Opal | 4.DA.10 | SiO2 · nH2O |
| ⓘ | Anatase | 4.DD.05 | TiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Szomolnokite | 7.CB.05 | FeSO4 · H2O |
| ⓘ | Wulfenite | 7.GA.05 | Pb(MoO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
| Group 9 - Silicates | |||
| ⓘ | Kyanite | 9.AF.15 | Al2(SiO4)O |
| ⓘ | Staurolite | 9.AF.30 | Fe2+2Al9Si4O23(OH) |
| ⓘ | Titanite | 9.AG.15 | CaTiO(SiO4) |
| ⓘ | Hemimorphite | 9.BD.10 | Zn4Si2O7(OH)2 · H2O |
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Actinolite | 9.DE.10 | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| ⓘ | Tremolite | 9.DE.10 | ◻Ca2Mg5(Si8O22)(OH)2 |
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Annite | 9.EC.20 | KFe2+3(AlSi3O10)(OH)2 |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | Heulandite-Ca | 9.GE.05 | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Unclassified | |||
| ⓘ | 'K Feldspar var. Adularia' | - | KAlSi3O8 |
| ⓘ | 'Amphibole Supergroup' | - | AB2C5(T8O22)W2 |
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Chrysoprase' | - | |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Heulandite Subgroup' | - | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| ⓘ | 'Stilbite Subgroup' | - | M6-7[Al8-9Si27-28O72] · nH2O |
| ⓘ | 'Bloodstone' | - | SiO2 |
| ⓘ | 'Scapolite' | - | |
| ⓘ | 'K Feldspar' | - | |
| ⓘ | 'Fergusonite' ? | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3A |
| ⓘ | 'Synchysite Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| H | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Hemimorphite | Zn4Si2O7(OH)2 · H2O |
| H | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Opal | SiO2 · nH2O |
| H | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| H | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| H | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| H | ⓘ Szomolnokite | FeSO4 · H2O |
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| H | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| H | ⓘ Heulandite-Ca | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| B | Boron | |
| B | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| O | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| O | ⓘ Quartz var. Agate | SiO2 |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Amphibole Supergroup | AB2C5(T8O22)W2 |
| O | ⓘ Anatase | TiO2 |
| O | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Fluorapatite | Ca5(PO4)3F |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Hemimorphite | Zn4Si2O7(OH)2 · H2O |
| O | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| O | ⓘ Kyanite | Al2(SiO4)O |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Opal | SiO2 · nH2O |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | ⓘ Quartz var. Smoky Quartz | SiO2 |
| O | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| O | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| O | ⓘ Szomolnokite | FeSO4 · H2O |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | ⓘ Titanite | CaTiO(SiO4) |
| O | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| O | ⓘ Wulfenite | Pb(MoO4) |
| O | ⓘ Heulandite-Ca | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| O | ⓘ Quartz var. Sardonyx | SiO2 |
| O | ⓘ Quartz var. Sard | SiO2 |
| O | ⓘ Bloodstone | SiO2 |
| O | ⓘ Quartz var. Carnelian | SiO2 |
| O | ⓘ Apatite | Ca5(PO4)3A |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Fluorapatite | Ca5(PO4)3F |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Na | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Na | ⓘ Heulandite-Ca | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Mg | Magnesium | |
| Mg | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Al | ⓘ Kyanite | Al2(SiO4)O |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| Al | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| Al | ⓘ Heulandite-Ca | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Si | Silicon | |
| Si | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Si | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Si | ⓘ Quartz var. Agate | SiO2 |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Hemimorphite | Zn4Si2O7(OH)2 · H2O |
| Si | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Si | ⓘ Kyanite | Al2(SiO4)O |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Opal | SiO2 · nH2O |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | ⓘ Quartz var. Smoky Quartz | SiO2 |
| Si | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| Si | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | ⓘ Titanite | CaTiO(SiO4) |
| Si | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Si | ⓘ Heulandite-Ca | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Si | ⓘ Quartz var. Sardonyx | SiO2 |
| Si | ⓘ Quartz var. Sard | SiO2 |
| Si | ⓘ Bloodstone | SiO2 |
| Si | ⓘ Quartz var. Carnelian | SiO2 |
| P | Phosphorus | |
| P | ⓘ Fluorapatite | Ca5(PO4)3F |
| P | ⓘ Apatite | Ca5(PO4)3A |
| S | Sulfur | |
| S | ⓘ Bornite | Cu5FeS4 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pentlandite | (NixFey)Σ9S8 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Szomolnokite | FeSO4 · H2O |
| S | ⓘ Violarite | Fe2+Ni23+S4 |
| K | Potassium | |
| K | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| K | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Fluorapatite | Ca5(PO4)3F |
| Ca | ⓘ Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O |
| Ca | ⓘ Titanite | CaTiO(SiO4) |
| Ca | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Ca | ⓘ Heulandite-Ca | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Ca | ⓘ Apatite | Ca5(PO4)3A |
| Ti | Titanium | |
| Ti | ⓘ Anatase | TiO2 |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Titanite | CaTiO(SiO4) |
| Fe | Iron | |
| Fe | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Fe | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Bornite | Cu5FeS4 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pentlandite | (NixFey)Σ9S8 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Fe | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| Fe | ⓘ Szomolnokite | FeSO4 · H2O |
| Fe | ⓘ Violarite | Fe2+Ni23+S4 |
| Ni | Nickel | |
| Ni | ⓘ Pentlandite | (NixFey)Σ9S8 |
| Ni | ⓘ Violarite | Fe2+Ni23+S4 |
| Cu | Copper | |
| Cu | ⓘ Bornite | Cu5FeS4 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | ⓘ Hemimorphite | Zn4Si2O7(OH)2 · H2O |
| Zn | ⓘ Sphalerite | ZnS |
| Mo | Molybdenum | |
| Mo | ⓘ Wulfenite | Pb(MoO4) |
| Pb | Lead | |
| Pb | ⓘ Wulfenite | Pb(MoO4) |
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Other Databases
| Wikipedia: | https://en.wikipedia.org/wiki/Torrington,_Connecticut |
|---|---|
| Wikidata ID: | Q755151 |
| GeoNames ID: | 4844313 |
Localities in this Region
- Connecticut
- Litchfield County
Other Regions, Features and Areas that Intersect
North AmericaContinent
North America PlateTectonic Plate
- Laurentides DomainPassive Margin
- Piedmontia DomainDomain
- Taconic ArcVolcanic Arc
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.
South Main Street construction site, Torrington, Litchfield County, Connecticut, USA