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Butte District (Summit Valley District), Silver Bow Co., Montana, USA
List of minerals arranged by Dana 8th Edition classification
| Group 1 - NATIVE ELEMENTS AND ALLOYS | ||
|---|---|---|
| Metals, other than the Platinum Group | ||
| Copper | 1.1.1.3 | Cu |
| Gold | 1.1.1.1 | Au |
| Silver | 1.1.1.2 | Ag |
| Group 2 - SULFIDES | ||
| AmBnXp, with (m+n):p = 2:1 | ||
| Acanthite | 2.4.1.1 | Ag2S |
| Chalcocite | 2.4.7.1 | Cu2S |
| Digenite | 2.4.7.3 | Cu9S5 |
| Djurleite | 2.4.7.2 | Cu31S16 |
| Stromeyerite | 2.4.6.1 | AgCuS |
| AmBnXp, with (m+n):p = 3:2 | ||
| Bornite | 2.5.2.1 | Cu5FeS4 |
| AmXp, with m:p = 1:1 | ||
| Alabandite | 2.8.1.4 | Mn2+S |
| Covellite | 2.8.12.1 | CuS |
| Galena | 2.8.1.1 | PbS |
| Greenockite | 2.8.7.2 | CdS |
| Pyrrhotite | 2.8.10.1 | Fe1-xS (x = 0 to 0.17) |
| Sphalerite | 2.8.2.1 | ZnS |
| Wurtzite | 2.8.7.1 | (Zn,Fe)S |
| AmBnXp, with (m+n):p = 1:1 | ||
| Chalcopyrite | 2.9.1.1 | CuFeS2 |
| AmBnXp, with (m+n):p = 1:2 | ||
| Arsenopyrite | 2.12.4.1 | FeAsS |
| Marcasite | 2.12.2.1 | FeS2 |
| Molybdenite | 2.12.10.1 | MoS2 |
| Pyrite | 2.12.1.1 | FeS2 |
| Miscellaneous | ||
| Betekhtinite | 2.16.8.1 | Pb2(Cu,Fe)21S15 |
| Group 3 - SULFOSALTS | ||
| ø > 4 | ||
| Colusite (TL) | 3.1.1.1 | Cu26V2(As,Sn,Sb)6S32 |
| Pearceite | 3.1.8.1 | [(Ag,Cu)6(As,Sb)2S7][Ag9CuS4] |
| Polybasite | 3.1.7.2 | [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4] |
| ø = 4 | ||
| Enargite | 3.2.1.1 | Cu3AsS4 |
| Luzonite | 3.2.2.1 | Cu3AsS4 |
| Stephanite | 3.2.4.1 | Ag5SbS4 |
| 3 <ø < 4 | ||
| Goldfieldite | 3.3.6.6 | Cu12(Te,Sb,As)4S13 |
| Tennantite | 3.3.6.2 | Cu6[Cu4(Fe,Zn)2]As4S13 |
| Tetrahedrite | 3.3.6.1 | Cu6[Cu4(Fe,Zn)2]Sb4S13 |
| ø = 3 | ||
| Aikinite | 3.4.5.1 | PbCuBiS3 |
| Proustite | 3.4.1.1 | Ag3AsS3 |
| Pyrargyrite | 3.4.1.2 | Ag3SbS3 |
| Seligmannite | 3.4.3.1 | PbCuAsS3 |
| Wittichenite | 3.4.8.1 | Cu3BiS3 |
| Group 4 - SIMPLE OXIDES | ||
| A2X | ||
| Cuprite | 4.1.1.1 | Cu2O |
| AX | ||
| Tenorite | 4.2.3.1 | CuO |
| A2X3 | ||
| Arsenolite | 4.3.9.1 | As2O3 |
| Corundum | 4.3.1.1 | Al2O3 |
| Hematite | 4.3.1.2 | Fe2O3 |
| Ilmenite | 4.3.5.1 | Fe2+TiO3 |
| AX2 | ||
| Anatase | 4.4.4.1 | TiO2 |
| Cassiterite | 4.4.1.5 | SnO2 |
| Pyrolusite | 4.4.1.4 | MnO2 |
| Ramsdellite | 4.4.7.1 | Mn4+O2 |
| Rutile | 4.4.1.1 | TiO2 |
| Group 5 - OXIDES CONTAINING URANIUM OR THORIUM | ||
| AXO2·xH2O | ||
| Uraninite | 5.1.1.1 | UO2 |
| Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL | ||
| XO(OH) | ||
| Böhmite | 6.1.2.1 | AlO(OH) |
| Goethite | 6.1.1.2 | α-Fe3+O(OH) |
| Manganite | 6.1.3.1 | Mn3+O(OH) |
| Group 7 - MULTIPLE OXIDES | ||
| AB2X4 | ||
| Magnetite | 7.2.2.3 | Fe2+Fe3+2O4 |
| AB8X16 | ||
| Cryptomelane | 7.9.1.2 | K(Mn4+7Mn3+)O16 |
| Romanèchite | 7.9.2.1 | (Ba,H2O)2Mn5O10 |
| Group 9 - NORMAL HALIDES | ||
| AX | ||
| Chlorargyrite | 9.1.4.1 | AgCl |
| AX2 | ||
| Fluorite | 9.2.1.1 | CaF2 |
| Group 14 - ANHYDROUS NORMAL CARBONATES | ||
| A(XO3) | ||
| Calcite | 14.1.1.1 | CaCO3 |
| Cerussite | 14.1.3.4 | PbCO3 |
| Rhodochrosite | 14.1.1.4 | MnCO3 |
| Siderite | 14.1.1.3 | FeCO3 |
| Smithsonite | 14.1.1.6 | ZnCO3 |
| AB(XO3)2 | ||
| Ankerite | 14.2.1.2 | Ca(Fe2+,Mg)(CO3)2 |
| Dolomite | 14.2.1.1 | CaMg(CO3)2 |
| Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN | ||
| Azurite | 16a.2.1.1 | Cu3(CO3)2(OH)2 |
| Malachite | 16a.3.1.1 | Cu2(CO3)(OH)2 |
| Hydrozincite | 16a.4.1.1 | Zn5(CO3)2(OH)6 |
| Group 28 - ANHYDROUS ACID AND NORMAL SULFATES | ||
| AXO4 | ||
| Anglesite | 28.3.1.3 | PbSO4 |
| Anhydrite | 28.3.2.1 | CaSO4 |
| Baryte | 28.3.1.1 | BaSO4 |
| Group 29 - HYDRATED ACID AND NORMAL SULFATES | ||
| AXO4·xH2O | ||
| Chalcanthite | 29.6.7.1 | CuSO4 · 5H2O |
| Epsomite | 29.6.11.1 | MgSO4 · 7H2O |
| Goslarite | 29.6.11.2 | ZnSO4 · 7H2O |
| Gypsum | 29.6.3.1 | CaSO4 · 2H2O |
| Melanterite | 29.6.10.1 | FeSO4 · 7H2O |
| Szomolnokite | 29.6.2.2 | FeSO4 · H2O |
| AB2(XO4)4·H2O | ||
| Pickeringite | 29.7.3.1 | MgAl2(SO4)4 · 22H2O |
| Römerite | 29.7.2.1 | Fe2+Fe3+2(SO4)4 · 14H2O |
| A2(XO4)3·H2O | ||
| Coquimbite | 29.8.3.1 | Fe2-xAlx(SO4)3 · 9H2O, x ~0.5 |
| Miscellaneous | ||
| Voltaite | 29.9.1.1 | K2Fe2+5Fe3+3Al(SO4)12 · 18H2O |
| Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN | ||
| (AB)m(XO4)pZq, where m:p>2:1 | ||
| Antlerite | 30.1.12.1 | Cu3(SO4)(OH)4 |
| Brochantite | 30.1.3.1 | Cu4(SO4)(OH)6 |
| (AB)2(XO4)Zq | ||
| Alunite | 30.2.4.1 | KAl3(SO4)2(OH)6 |
| Jarosite | 30.2.5.1 | KFe3+ 3(SO4)2(OH)6 |
| Linarite | 30.2.3.1 | PbCu(SO4)(OH)2 |
| Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN | ||
| Miscellaneous | ||
| Copiapite | 31.10.5.1 | Fe2+Fe3+4(SO4)6(OH)2 · 20H2O |
| Group 32 - COMPOUND SULFATES | ||
| Anhydrous Compound Sulfates containing Hydroxyl or Halogen | ||
| Caledonite | 32.3.2.1 | Pb5Cu2(SO4)3(CO3)(OH)6 |
| Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES | ||
| AB2(XO4)2·xH2O, containing (UO2)2+ | ||
| Autunite | 40.2a.1.1 | Ca(UO2)2(PO4)2 · 11H2O |
| A3(XO4)2·xH2O | ||
| Vivianite | 40.3.6.1 | Fe2+3(PO4)2 · 8H2O |
| Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN | ||
| (AB)5(XO4)2Zq | ||
| Cornwallite | 41.4.2.2 | Cu5(AsO4)2(OH)4 |
| Pseudomalachite | 41.4.3.1 | Cu5(PO4)2(OH)4 |
| A2(XO4)Zq | ||
| Libethenite | 41.6.6.2 | Cu2(PO4)(OH) |
| A5(XO4)3Zq | ||
| Pyromorphite | 41.8.4.1 | Pb5(PO4)3Cl |
| Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN | ||
| (AB)7(XO4)4Zq·xH2O | ||
| Chalcosiderite | 42.9.3.4 | Cu(Fe3+,Al)6(PO4)4(OH)8 · 4H2O |
| Turquoise | 42.9.3.1 | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
| A3(XO4)2Zq·xH2O | ||
| Wavellite | 42.10.2.1 | Al3(PO4)2(OH,F)3 · 5H2O |
| (AB)3(XO4)2Zq·xH2O | ||
| Beraunite | 42.11.16.1 | Fe2+Fe3+5(PO4)4(OH)5 · 4H2O |
| Group 43 - COMPOUND PHOSPHATES, ETC. | ||
| Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen | ||
| Hinsdalite | 43.4.1.5 | PbAl3(PO4)(SO4)(OH)6 |
| Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES | ||
| AXO4 | ||
| Ferberite | 48.1.1.2 | FeWO4 |
| Hübnerite | 48.1.1.1 | MnWO4 |
| Powellite | 48.1.2.2 | Ca(MoO4) |
| Scheelite | 48.1.2.1 | Ca(WO4) |
| Wulfenite | 48.1.3.1 | Pb(MoO4) |
| Group 49 - HYDRATED MOLYBDATES AND TUNGSTATES | ||
| Hydrated Normal Molybdates and Tungstates | ||
| Ferrimolybdite | 49.2.1.1 | Fe2(MoO4)3 · nH2O |
| Group 51 - NESOSILICATES Insular SiO4 Groups Only | ||
| Insular SiO4 Groups Only with cations in >[6] coordination | ||
| Zircon | 51.5.2.1 | ZrSiO4 |
| Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O | ||
| Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination | ||
| Andalusite | 52.2.2b.1 | Al2(SiO4)O |
| Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only | ||
| Topaz | 52.3.1.1 | Al2(SiO4)(F,OH)2 |
| Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination | ||
| Titanite | 52.4.3.1 | CaTi(SiO4)O |
| Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O | ||
| Si2O7 Groups and O, OH, F, and H2O with[Si2O7] with borate groups | ||
| Danburite | 56.3.1.1 | CaB2Si2O8 |
| Group 57 - SOROSILICATES Si3O10 Groups and Larger Noncyclic Groups | ||
| Insular Si3O10 and Larger Noncyclic Groups with [Si5O16] groups | ||
| Zunyite | 57.3.1.1 | Al13Si5O20(OH,F)18Cl |
| Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups | ||
| Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2) | ||
| Epidote | 58.2.1a.7 | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| Zoisite | 58.2.1b.1 | {Ca2}{Al3}(Si2O7)(SiO4)O(OH) |
| Group 61 - CYCLOSILICATES Six-Membered Rings | ||
| Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution | ||
| Beryl | 61.1.1.1 | Be3Al2(Si6O18) |
| Six-Membered Rings with borate groups | ||
| Elbaite | 61.3.1.8 | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Schorl | 61.3.1.10 | Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1) | ||
| Single-Width Unbranched Chains, W=1 with chains P=2 | ||
| Augite | 65.1.3a.3 | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Single-Width Unbranched Chains, W=1 with chains P=5 | ||
| Rhodonite | 65.4.1.1 | MnSiO3 |
| Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings | ||
| Sheets of 6-membered rings with 1:1 layers | ||
| Allophane | 71.1.5.1 | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
| Dickite | 71.1.1.1 | Al2(Si2O5)(OH)4 |
| 'Halloysite' | 71.1.1.4 | Al2(Si2O5)(OH)4 |
| Sheets of 6-membered rings with 2:1 layers | ||
| Muscovite | 71.2.2a.1 | KAl2(AlSi3O10)(OH)2 |
| Pyrophyllite | 71.2.1.1 | Al2(Si4O10)(OH)2 |
| Sheets of 6-membered rings with 2:1 clays | ||
| Montmorillonite | 71.3.1a.2 | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Nontronite | 71.3.1a.3 | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| Group 74 - PHYLLOSILICATES Modulated Layers | ||
| Modulated Layers with joined strips | ||
| Chrysocolla | 74.3.2.1 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O (x < 1) |
| Palygorskite | 74.3.1a.1 | (Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O |
| Sepiolite | 74.3.1b.1 | Mg4(Si6O15)(OH)2 · 6H2O |
| Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | ||
| Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | ||
| Quartz | 75.1.3.1 | SiO2 |
| Group 76 - TECTOSILICATES Al-Si Framework | ||
| Al-Si Framework with Al-Si frameworks | ||
| Albite | 76.1.3.1 | NaAlSi3O8 |
| Microcline | 76.1.1.5 | KAlSi3O8 |
| Orthoclase | 76.1.1.1 | KAlSi3O8 |
| Sanidine | 76.1.1.2 | KAlSi3O8 |
| Al-Si Framework Feldspathoids and related species | ||
| Helvine | 76.2.4.1 | Mn2+4(Be3Si3O12)S |
| Unclassified Minerals | ||
| Albite var: Oligoclase | - | (Na,Ca)[Al(Si,Al)Si2O8] |
| 'Allanite' | - | |
| Amphibole Supergroup var: Uralite | - | AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| 'Andorite' | - | PbAgSb3S6 |
| 'Apatite' | - | |
| 'Biotite' | - | |
| Calcite var: Manganoan Calcite | - | (Ca,Mn)CO3 |
| 'Chabazite' | - | |
| Chamosite var: Thuringite | - | (Fe,Fe,Mg,Al)6(Si,Al)4O10(O,OH)8 |
| 'Chlorite Group' | - | |
| Corundum var: Sapphire | - | Al2O3 |
| Gypsum var: Selenite | - | CaSO4 · 2H2O |
| Hematite var: Specularite | - | Fe2O3 |
| 'Heulandite' | - | |
| 'Hornblende' | - | |
| 'K Feldspar' | - | |
| Kaolinite | - | Al2(Si2O5)(OH)4 |
| 'Limonite' | - | FeO(OH) · nH2O |
| Melanterite var: Cuprian Melanterite | - | (Fe,Cu)SO4 · 7H2O |
| Muscovite var: Sericite | - | KAl2(AlSi3O10)(OH)2 |
| Natrojarosite ? | - | NaFe3(SO4)2(OH)6 |
| 'Psilomelane' | - | |
| Quartz var: Amethyst | - | SiO2 |
| var: Chalcedony | - | SiO2 |
| var: Smoky Quartz | - | SiO2 |
| Siderite var: Manganoan Siderite | - | (Fe,Mn)CO3 |
| Sphalerite var: Cleiophane | - | ZnS |
| 'Stilbite' | - | |
| 'Tourmaline' | - | A(D3)G6(T6O18)(BO3)3X3Z |
| 'Wad' | - | |
| 'Wolframite' | - | (Fe2+)WO4 to (Mn2+)WO4 |
163 entries listed. 147 valid minerals.
References
Weed, W.H. (1912), USGS Professional Paper 74. "Geology and Ore Deposits of the Butte District, Montana."
Zehein, L.G. (1964), Montana Bureau of Mines and Geology, MBMG 268; "The Mineralogy of the Butte District, Montana,"
Robert E. Jenkins II & Jerry A. Lorengo (2002) Butte, Montana - Minerals, Mines and History, The Mineralogical Record: 33(1):5-69 (January-February).
Zehein, L.G. (1964), Montana Bureau of Mines and Geology, MBMG 268; "The Mineralogy of the Butte District, Montana,"
Robert E. Jenkins II & Jerry A. Lorengo (2002) Butte, Montana - Minerals, Mines and History, The Mineralogical Record: 33(1):5-69 (January-February).
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