| References: | Palache, C. (1935) USGS Professional Paper 180: 122; 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: 787; Dunn, P.J. (1995):Part 5: 656-657. |