The stone used in construction at the site is a soft limestone.
As a boy he was like a piece of soft limestone lying in water.
Carved into soft limestone, the constructions are unique to the island.
The earlier collective tombs were cut, like artificial caves, out of the soft limestone.
For the floor, Chipperfield selected soft limestone to give the space what he calls "a museum quality."
Some houses are built from soft limestone which was taken from the vineyards.
But this one was thin and flat and made of soft limestone.
Dwarfs had cut down quickly through the soft limestone.
It had been formed, I judged, by the action of water on soft limestone and must have been very old.
A hard cap of calcrete develops above the softer limestone.