Pyrite, Chalcopyrite, Quartz, Siderite, Scorodite
Trevarthian Downs Mine, St Hilary, Cornwall, England, UK
A large specimen of closely mixed pyrite and chalcopyrite with quartz and siderite.
Another currently unknown mineral is present, comprising a botryoidal aggregate lining some vugs and massive creamy coloured areas, however, further investigation is going to be required to identify this.
Following a Raman test on the above mentioned mineral, ...
© Dale Foster Collection