Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Chartres Cathedral' has mentioned 'Limestone' in the following places:
Occurrence Sentence Text Source
Although the sculpture on the portals at Chartres is generally of a high standard, the various carved elements inside, such as the capitals and string courses, are relatively poorly finished (when compared for example with those at Reims or Soissons) xe2x80x93 the reason is simply that the portals were carved from the finest Parisian limestone, or ' 'calcaire' ', while the internal capitals were carved from the local "Berchxc3xa8res stone", that is hard to work and can be brittle.
The altar of the chapel is carved from a single block of limestone from the Berchxc3xa8res quarry, the source of most of the stone of the cathedral.