| Kampf, A.R., Celestian, A.J., Nash, B.P. (2018): Barwoodite, Mn6+(Nb5+,◻)2(SiO4)2(O,OH)6, a New Member of the Welinite Group from Granite Mountain, Arkansas. Canadian Mineralogist, 56, 799-809. Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017, CNMNC Newsletter No 39. Mineralogical Magazine, 81 (5) 1279-1286 doi:10.1180/minmag.2017.081.072 Mineralogical Magazine: 81: 1279–1286 |
Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA