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Stone wall


Ashlar is prepared (or "dressed") stone work of any type of stone. Stone masonry utilizing dressed stones is known as ashlar masonry, whereas masonry using irregularly shaped stones is known as rubble masonry. Ashlar blocks are large rectangular cuboid blocks of masonry sculpted to have square edges and smooth faces. The blocks are generally about 35 centimeters in height. When shorter than 30 centimeters, they are usually called “small ashlar”.

Random coursed ashlar  Regular coursed ashlar

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Dry set rubble  Rubble in mortar
Coursed rubble  Squared rubble to course
Mosaic stonework  Polygonal stonework

Drawings from: Fisher, Roger C. 1992. Visual Lexicon of the South African Dwelling. Cape Town: Unibook. p, 53.