| References: | Genth, F.A. and Kerr, W.C. (1881) Mineral Localities of North Carolina, Geologic Survey, North Carolina; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 910. |