| References: | Herzenberg (1935) Zentralbl. Min., Abt. A: 189 & 279; 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: 635; Mineralogical Record 32: 476.; Amer.Min.(1969) 54, 1519-1527 |