Dusted over yavapaiite & other sulphates formed by burning pyritic ore.
Quality of samples:
not specified / average specimens
Confirmation
Validity:
Believed Valid
References
References:
Hutton, C.O. (1959a), Yavapaiite, an anhydrous potassium, ferric sulfate from Jerome, AZ: Am.Min.: 44: 1105-1114; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 262.