We could have finished it last week if you'd let us use a concrete lintel, but you insist on traditional bluestone.
As concrete pavements replaced bluestone, the quarrying industry declined.
The simple thirteenth-century Chapel boasts a wonderful eighth-century Celtic ringed cross made from the local "bluestone", which is, in fact, a rich bottle-green.
As for the smaller bluestones, archaeologists still disagree about their origins and transport.
The bluestones that make up the monument are believed to have originated from the Preseli Mountains in West Wales.
His dig uncovered masses of fragments carved out of the bluestones by people to create amulets.
