Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by
mindat.org
There are no ages for
Arsenopyrite
at
Anna C. Mine (Vacant Spot; Minnie Foy; Lone Pine; Beddig; Oregon; Niagara; Denver; Illinois; Greyback; Sunset Sisson; Spiderleg; Conger; Quay), Boulder County Tungsten District, Boulder Co., Colorado, USA