West Cornwall - Geology
Granite Veins / Andalusite - Rinsey Cove (S21)
Top Pic -
Folded Granite Veins in Metasedimentary Rocks on the west side of Rinsey Cove.
SW 59270 26965
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Lower Pic -
Opposite the Granite Veins on top of a large Rock are examples of the mineral Andalusite .
This collection of very small needle sized crystals in the Metasedimentary is only 75 x 40 mm in real life.
Andalusite is a metamorphic mineral - a polymorph of Aluminium Silicate formed at low temperatures.
SW 59276 26957
Ref: 5407.8
Date: 21/11/2017
Location: Rinsey Cove.