Rock 365 : Day 234 : Pegmatite

20100822

Day 234 : This is the reverse side of the St Austell Granite sample shown on Day 231, showing a feldspar, quartz and muscovite pegmatite. From the Tregarden Quarry, Luxulyan, Cornwall, England. Keele collection.

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~ by hypocentre on August 25, 2010.

 
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