Almandine-Spessartine Series, Pyrite
Frøyså 01 Feldspar Quarry, Frøyså, Iveland, Agder, Norway
This, I think is a rather interesting specimen with two cubic minerals (garnet and pyrtite) developed within a biotite book. Both of them are severly flattened, the garnet some 3,5cm wide, but only a few mm thick. Both the garnet and the pyrite show a multitude of crystal phases on the wide axis, but only the garnet has kept the outer shape of a ...
© Olav Revheim