Stonebreakers Clan

A prominent clan in and around Zhufbar, the Stonebreakers Clan has always prided itself on its stonework and boasts a long history of famous miners and masons. They will point to the ancestor tombs and decorated archways of Zhufbar as examples of their forefathers’ expertise. The clan symbol, crossed mattocks, often accompanies the white and dark blue colours of Zhufbar - for they have served that stronghold’s kings since it was first founded. Because of this strong connection, it is not unusual to see clan regiments of miners and warriors within a Zhufbar throng, or conversely, to see war engines created by the Engineers Guild in service with Stonebreaker Clan forces. Indeed, many of the remote Stonebreaker mines are supported by formations of Gyrocopters flown out of Zhufbar.

Source
Warhammer Armies: Dwarfs (8th Edition)

pg. 28