| Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. Genth, F.A and Kerr, W.C (1881) Mineral and Mineral Localities of North Carolina,Geologic Survey |
Gaston County, North Carolina, USA