| Reference List: | Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 305.
Clark (1993): 494.
Burke, Ernest A.J. (2007) A Mass Discreditation of GQN Minerals. Canadian Mineralogist: 44(6): 1557-1560.
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