| References: | American Journal of Science (1885), ser. 3, 30, 133-135; 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: 549, 629; Mineralogical Record (2007): 38: 213. |