* Astronomy

Ailsa Craig is an island in the outer Firth of Clyde, Scotland where granite was quarried to make curling stones. The now uninhabited island is formed from the volcanic plug of an extinct volcano.
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The riebeckite granite known as ailsite, found on the island of Ailsa Craig in western Scotland, is prized for its use in the manufacture of curling stones.
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Latitude: 55°15'7"N, Longitude:  5°6'59"W