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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

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