The Coat of Arms of the Diocese of Iba, Zambales.  Rendered in blue to signify truth and loyalty － is a flaming heart pierced by an arrow. This stands for St. Augustine, the titular of the Cathedral of Iba.
The white dexter base means peace and sincerity. It has a trimount surrounded by six circles representing the minerals in the mountains of Zambales, particularly the Cabusilan Mountain Range composed of Mt. Pinatubo, Mt. Negron, and Mt. Cuadrado.
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Sarietria