RAGSTONE
Rag-stone
Rag-stone is a name given by some architectural writers to work done with stones which are quarried in thin pieces, such as Horsham Stone, sandstone, Yorkshire stone, and the slate stones, but this is more properly flag or slab work. By rag-stone, or Kentish rag, near London, is meant an excellent material from the neighborhood of Maidstone. It is a very hard limestone of bluish-grey colour, and peculiarly suited for medieval work. It is often laid as uncoursed work, or random work, sometimes as random coursed work and sometimes as regular ashlar.The above text is a snippet from Wikipedia: Rag-stone
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ragstone
Noun
The above text is a snippet from Wiktionary: ragstone
and as such is available under the Creative Commons Attribution/Share-Alike License.