Andalusite bearing micaschist

Metamorphic rocks Primary structures, sedimentary, magmatic rocks

Cm-size andalusite crystals in micaschist of the Medium Grade Metamorphic Complex; Varisca orogeny (Asinara Island, Italy). Usually andalusite grows during a HT-LP metamorphic event after staurolite. PhotoID157

Photograph: R. Carosi