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Beecher Lode, Custer, Custer District, Custer Co., South Dakota, USA

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List of minerals arranged by Dana 8th Edition classification
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe1-xS (x = 0 to 0.17)
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Cassiterite4.4.1.5SnO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Amblygonite41.5.8.1LiAl(PO4)F
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca2Ca3(PO4)3F
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
Andalusite52.2.2b.1Al2(SiO4)O
Sillimanite52.2.2a.1Al2(SiO4)O
Staurolite52.2.3.1(Fe2+,Mg,Zn)1.5-2Al9(SiO4)4O6(OH,O)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl61.3.1.10Na(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
Spodumene65.1.4.1LiAlSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1NaAlSi3O8
Microcline76.1.1.5KAlSi3O8
Unclassified Minerals
Albite
var: Cleavelandite
-NaAlSi3O8
'Apatite'-
'Columbite'-(Fe,Mn)(Nb,Ta)2O6
'Columbite-Tantalite'-
Grunerite-☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
'Lepidolite'-
'Limonite'-FeO(OH) · nH2O
'Mica Group'-
'Perthite'-
Spodumene
var: Kunzite
-LiAlSi2O6
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z


28 entries listed. 20 valid minerals.
Mineral and/or Locality  
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