In this photo taken on the Isle of Elba in Italy you can see several radiating crystals of greenish Hedenbergite, inter-grown with blackish coloured Ilvaite in skarn bodies. Skarn is an unique formation that formed as a result of the interaction between geothermal fluids and the host rock. In this case the geothermal fluids come from the Late Miocene Porto Azzurro monzogranite, and Mesozoic marble ...[Read More]
Imaggeo On Monday: Hedenbergite – Ilvaite skarn, Calamita, Island of Elba
Hedenbergite - Ilvaite skarn, Calamita, Island of Elba. Credit: Samuele Papeschi (distributed via imaggeo.egu.eu)