As well as the famous Serpentinite and Kennack Gneiss , Kennack Sands has Gabbro , Granite and Basalt Dykes . Veins of Talc Minerals - Soapstone - Asbestiform minerals .
This photo is of Peridotite - a dark-colored igneous rock consisting mostly of olivine and pyroxene .
The Peridotite can be Dark Green or Black.
The lower pic is sea washed Peridotite.
Location - Kennack Sands is on the eastern side of The Lizard Penninsula - in Gallery 23
Location: SW 7336.1640