Bill Bagley Minerals

Bill Bagley Rocks and Minerals

Minerals / Calcite. Blaengwynlais quarry.

Calcite,   CaCO3  Calcium carbonate.    There is nothing very special about this specimen, except that it is one of the first specimens I collected many years ago. It is a collection of scalenahedral crystals in a limestone vugh. A few of them on the periphery are slightly larger, and all of them have a dusty coating probably derived from the presence of iron. I collected the specimen from Blaengwynlais quarry, Tongwynlais, Near Cardiff in South Wales
 
Calcite. Blaengwynlais quarry. Bill Bagley Rocks and Minerals



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