Rate of re-crystallization of mortar matrix
monastery in Opava
•Medium construction phase was dated by
archaeologists within interval 1575-1581
•Rate
of sparite formation in interior – 0,005 mm/100 years and in exterior 0,01mm/100 years
•The
oldest construction phase is calculated to first half of 15th century.
•The
youngest mortars were applied during reconstruction in the half of 19th century
•Specific
group of samples represent cement mortars and mortars with chalcedony