Coat of arms of the U.S. bishop Thomas James Olmsted, Bishop of Phoenix.
Blazon: Arms impaled. Dexter: Azure, issuant from a mountain Argent, a phoenix, or, the flames Gules; in chief a cross formy fitchée of the last. Sinister: Argent, a pale Gules, charged with a heart and cross of the Jesus Caritas Fraternity of the first; on a chief Azure a star of the first. 
Motto: Jesus Caritas
Reference:

www.diocesephoenix.org
Own work
SajoR