A rare secondary mineral in the oxidized zone of some arsenic-rich base-metal deposits.
IMA Status:
Valid Species (Pre-IMA) 1935
Locality:
In the USA, in the Western Utah mine, Gold Hill, Tooele Co., Utah; at the Mohawk mine, Clark Mountains, San Bernardino Co., California; from the Table Mountain mine, Galiuro Mountains,
Link to MinDat.org Location Data.
Name Origin:
To honor Professor Austin Flint Rogers (1877-1957), American mineralogist, Stanford University, Palo Alto, California, USA.
Chemical Formula: 