Quarried in the North East Millknock is a fine grained sandstone and is dark creamy buff in colour.
Millknock sandstone has good weathering qualities and has been used extensively in Northumberland and many other areas of North East England. It is typical of the Northumberland sandstones with excellent qualities for all types of building applications
- Residential property, North East
- English Heritage site
There are large reserves with long term planning consent.