Ancaster stone
noun
An·cas·ter stone ˈan-ˌka-stər- 
ˈaŋ-
: a type of limestone quarried in Britain and sometimes used for building
… a perfect Restoration house, built in 1685 of gray Ancaster stone now weathered to a gentle gold …
Elizabeth Lambert Ortiz, Gourmet, December 1982
Elizabeth Lambert Ortiz, Gourmet, December 1982
Word History
Etymology
from the village of Ancaster, Lincolnshire, England, near where it is quarried
First Known Use
1826, in the meaning defined above