Eureka deposit, Persimmon Peak-Las Tablas Group, Petaca Mining District, Rio Arriba County, New Mexico, USA
Steve Dubyk gave me this in 2019. It has very flat facets with reddish tinge where the underlying crystal is exposed. My Si-PIN XRF shows Fe Ta Pb U Y Nb
Steve Dubyk gave me this in 2019.
Steve Dubyk gave me this in 2019. It has very flat facets with reddish tinge where the underlying crystal is exposed.