Fourmile, Custer District, Custer Co., South Dakota, USA

Standard Detailed By Chemistry Mineral Photos (127)Search Google Mineral Report for Region

Mineral list contains entries from the region specified including sub-localities

Mineral List:

Albite
var: Andesine
Alluaudite
Almandine
Altaite ?
Amblygonite
Apatite-(CaF)
Apatite-(CaOH)
var: Carbonate-rich Apatite-(CaOH)
Arsenopyrite
Aurichalcite
Autunite
Azurite
Barbosalite
Beraunite
Bermanite
Bertrandite
Beryl
var: Morganite
Biotite
Bismuth
Bismuthinite
Bismutite
Bobdownsite
Bornite
Calcite
Cassiterite
Chalcopyrite
Childrenite
Chrysoberyl
Collinsite
'Columbite-Tantalite'
Cookeite
Covellite
Crandallite
Cyrilovite
Dawsonite
Diadochite
Dufrénite
Ehrleite (TL)
Elbaite
Englishite
Eosphorite
Eucryptite ?
Fairfieldite
'Feldspar Group'
Ferrisicklerite
Ferroalluaudite
Fourmarierite
Fransoletite (TL)

Frondelite
Galena
'Garnet Group'
Goethite
Gordonite
Goyazite
Greifensteinite
Hemimorphite
Heterosite
Hopeite
Hureaulite
Hurlbutite
Hydroxylherderite
Hydrozincite
Ixiolite
'Jahnsite'
Jahnsite-(CaMgMg)
Jahnsite-(CaMnFe) ?
Jahnsite-(CaMnMg) (TL)
Jahnsite-(NaFeMg) (TL)
Jahnsite-(NaMnMg)
Kasolite
Kingsmountite
Kryzhanovskite
Laueite
Lepidolite
Leucophosphite
Limonite
~~Lithiophilite~~
Lithiophosphate
Löllingite
Ludlamite
Malachite
Marcasite
Messelite
Meta-autunite
Metaswitzerite
Microcline
Microlite
Mitridatite
'Monazite'
Montebrasite
Montgomeryite
Montmorillonite
Muscovite
Opal
var: Opal-AN
Pahasapaite (TL)
Parafransoletite (TL)
Pararobertsite (TL)

Parascholzite
'Perthite'
Phosphoferrite
Pollucite
~~Purpurite~~
Pyrite
Pyrolusite
Quartz
Robertsite (TL)
Rockbridgeite
Roscherite
Scholzite
Schorl
Segelerite (TL)
Sicklerite
Siderite
Smithsonite
Spessartine
Sphalerite
Spodumene
var: Hiddenite
var: Kunzite
Stewartite
Strengite
Strunzite
Switzerite
Tantalite
Tavorite
Tinsleyite (TL)
Tiptopite (TL)
Todorokite
'Tourmaline'
Triphylite
Triploidite
Turquoise ?
Uraninite
Uranophane
Ushkovite
Vanadinite
Vandendriesscheite
Vivianite
Wardite
Whiteite-(CaMnMg) (TL)
Whitlockite
Whitmoreite
Xanthoxenite
Xenotime-(Y)
Zircon

227 entries listed. 127 valid minerals. 12 type localities (valid minerals). 2 erroneous literature entries.

Localities in this Region:


USA
South Dakota Custer Co. Custer District Fourmile Helen Beryl Mine (Sweepstakes Beryl; Big Tom claim; Kem claim)
Island Mine
Old Charlie mine
Pleasant Valley Pegmatite
Rainbow No. 4 Mine
Rocky Ridge Mine
Tin Mountain Mine
Tip Top Mine (Tip Top pegmatite)

The above list 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!

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in South Dakota, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 23rd Nov 2009 08:40:58