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Italy | |
| Tumiati, S., Zanchetta, S., Pellegrino, L., Ferrario, C., Casartelli, S., and Malaspina, N. (2018) Granulite-facies overprint in garnet peridotites and kyanite eclogites of Monte Duria (Central Alps, Italy): Clues from srilankite- and sapphirine-bearing symplectites. Journal of Petrology, 59, 1, 115–151. |
| Guastoni, A. & Demartin F. (2005): Corindone blu. Un nuovo ritrovamento in alta Val Sissone (SO). Rivista Mineralogica Italiana, 4/2005, 250-251. |
| Romeo Tam collection |
Lower Bregaglia Valley, Valchiavenna, Sondrio Province, Lombardy, Italy