Cryptomelane from selected localities.
Italy | |
| Marco Ciriotti collection (Uwe Kolitsch PXRD) |
| Kienast, J.R. & Martin, S. (1983): I pirosseni egirin-giadeitici del livello basale di Praborna, Alpi occidentali. Ofioliti, 8(2), 245-260 |
Italy | |
| Marco Ciriotti collection (Uwe Kolitsch PXRD) |
| Kienast, J.R. & Martin, S. (1983): I pirosseni egirin-giadeitici del livello basale di Praborna, Alpi occidentali. Ofioliti, 8(2), 245-260 |