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Benjamin N. Schumer
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Journal Article

Mineralogical Profile of Supergene Sulfide Ore in the Western Copper Area, Morenci Mine, Arizona

Benjamin N. Schumer, Ralph J. Stegen, Mark D. Barton, J. Brent Hiskey, Robert T. Downs
Published: 16 May 2019
The Canadian Mineralogist (2019) 57 (3): 391–401.
DOI: https://doi.org/10.3749/canmin.1800020
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Fluorlamprophyllite, Na 3 (SrNa)Ti 3 (Si 2 O 7 ) 2 O 2 F 2 , a new mineral from Poços de Caldas alkaline massif, Morro do Serrote, Minas Gerais, Brazil

Marcelo B. Andrade, Hexiong Yang, Robert T. Downs, Gunnar Färber, Reynaldo R. Contreira Filho, Stanley H. Evans, Clayton W. Loehn, Benjamin N. Schumer
Published: 01 February 2018
Mineralogical Magazine (2018) 82 (1): 121–131.
DOI: https://doi.org/10.1180/minmag.2017.081.027
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Natropalermoite, Na 2 SrAl 4 (PO 4 ) 4 (OH) 4 , a new mineral isostructural with palermoite, from the Palermo No. 1 mine, Groton, New Hampshire, USA

Benjamin N. Schumer, Hexiong Yang, Robert T. Downs
Published: 01 August 2017
Mineralogical Magazine (2017) 81 (4): 833–840.
DOI: https://doi.org/10.1180/minmag.2016.080.133
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A new formula and crystal structure for nickelskutterudite, (Ni,Co,Fe)As 3 , and occupancy of the icosahedral cation site in the skutterudite group

Benjamin N. Schumer, Marcelo B. Andrade, Stanley H. Evans, Robert T. Downs
Published: 01 January 2017
American Mineralogist (2017) 102 (1): 205–209.
DOI: https://doi.org/10.2138/am-2017-5615
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