Microcrystalline coatings on cassiterite and quartz.
Quality of samples:
not specified / average specimens
Confirmation
Validity:
Believed Valid
References
References:
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: 836, 973; Mineralogical Record: 32: 474.