Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Luis Barragán House and Studio' has mentioned 'Stone' in the following places:
Occurrence Sentence Text Source
Its flooring is of volcanic stone which continues into the entrance hall.
This stone is usually used for exterior floors, giving the area a patio feel.
[6] This leads to a vestibule with a high ceiling, yellow light onto a volcanic stone floor and one of the walls painted fuchsia.
[10] Access to this area and the roof terrace is via stone stairs lacking railings, a typical Barragxc3xa1n characteristic.