- decomposed granite.
Origin of growan
Examples from the Web for growan
Historical Examples of growan
They occur both in the “killas” or clay-slate, and in the “growan” or granite.
The patent was obtained in 1768, and the materials were described as growan stone and growan clay.
Growan stone and Cornish Kaolin were added to the cream ware body, which enabled earthenware to compete successfully with china.Chats on Old Earthenware