Name the Scottish island where granite for curling stones is quarried.
Ailsa Craig Nag and steel and concrete remnants of the stone crusher near the south foghorn. From the mid-nineteenth century the island has been quarried for its rare type of micro-granite with riebeckite (known as "Ailsite"), which is used to make stones for the sport of curling. , 60–70% of all curling stones in use were made from granite from the island and it is one of only two sources for all stones in the sport, the other being the Trefor Granite Quarry in Wales. Ailsa Craig produced two types of granite for curling, "Blue Hone" and "Ailsa Craig Common Green". "Blue
Granite Curling Club (Winnipeg) in 1887. Granite Curling Club (Winnipeg) The Granite Curling Club, located in Winnipeg, Manitoba, is the oldest curling club in Western Canada. Affectionally known to curling fans as the "Mother Club", it has produced many Canadian and world champions. The original Granite Curling Club dates back to 1880. Its current downtown location and Tudor-framed clubhouse was built in 1913, the building is a Winnipeg Heritage Building. It is often considered to be the "St. Andrews" of curling because of its contribution to the sport in curling's most dominant region. One of the early presidents was John B. Mather. He assumed