Granted 1971
Blazon: Per fess argent a cross of Calatrava gules and azure a bunch of five lilies of the first between four hammers in saltire, 2 and 2 or
The lilies may have been included due to their association with the Virgin Mary, as the town’s church is dedicated to the Immaculate Conception. The hammers probably reflect the importance of the mining industry in the area.