Word Origin for ragstone
Examples from the Web for ragstone
When this is the case, the flat slabs of the upper limestone (ragstone) are usually better than slate.The Poetry of Architecture|John Ruskin
This is a structure of Kentish ragstone in a Gothic style with small steeple.
The church is built of Kentish ragstone, and is in a plain Early English style, with an apse at the east end.
The building is faced with Kentish ragstone, and all the dressings are of Boxhill buttstone.Chelsea|George Bryan
It is faced with Kentish ragstone, and was consecrated 1862.