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Table 1 Mineral phases identified by XRD for the plaster sample

From: A multidisciplinary diagnostic approach preliminary to the restoration of the country church “San Maurizio” located in Ittiri (SS), Italy

Layer Calcite Zeolites Pyroxene Quartz Na plagioclase Mica Clay minerals
1,2,3 + (+) (+) - - - -
4 + (+) (+) (+) (+) - -
5 + (+) - + + (+) -
6 + (+) (+) + + (+) +
  1. +: present; -: absent; (+) present in small amount.
  2. Numbering of layer starts from the outermost one.