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Robertsite from
Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA

Mineral Species
Species:Robertsite
Formula:Ca2Mn3+3(PO4)3O2 · 3H2O
Description
Type Locality:Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA is the type locality for Robertsite
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Moore, P. B. (1974) American Mineralogist: 59: 48-60.
Associated Minerals Based on Photo Data:
Montgomeryite13 photos of Robertsite associated with Montgomeryite at this locality.
Collinsite13 photos of Robertsite associated with Collinsite at this locality.
Whitlockite11 photos of Robertsite associated with Whitlockite at this locality.
Leucophosphite9 photos of Robertsite associated with Leucophosphite at this locality.
Hureaulite5 photos of Robertsite associated with Hureaulite at this locality.
Tinsleyite5 photos of Robertsite associated with Tinsleyite at this locality.
Mitridatite4 photos of Robertsite associated with Mitridatite at this locality.
Rockbridgeite4 photos of Robertsite associated with Rockbridgeite at this locality.
Englishite3 photos of Robertsite associated with Englishite at this locality.
Albite3 photos of Robertsite associated with Albite at this locality.
Data
Mineral Data:Click here to view Robertsite data
Locality Data:Click here to view Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA
Nearest other occurrences of Robertsite
9.6km (6.0 miles) A White Elephant Mine, Cicero Peak, Pringle, Custer District, Custer Co., South Dakota, USA
28.4km (17.7 miles) B Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA
Mineral and/or Locality  
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