Britholite Group from selected localities.
Italy | |
| Antonio Borrelli Collection |
| Cámara, F., Bellatreccia, F., Ventura, G. D., Gunter, M. E., Sebastiani, M., & Cavallo, A. (2012). Kircherite, a new mineral of the cancrinite-sodalite group with a 36-layer stacking sequence: Occurrence and crystal structure. American Mineralogist, 97(8-9), 1494-1504. |