Studies of Gypsum Castings at the Medieval Castle in Cesis (Latvia)

Proceedings of the 9th Baltic States Restorer's Meeting 2011
Linda Krāģe, Ineta Rozenštrauha, Lāsma Stankeviča, Jana Svare

The studies presents the research of gypsum castings (consoles), dated with 1570 which are exposed to out door conditions (for more than 200 years) at the ruins of Cesis castle (Latvia). Investigation included the studies of chemical and mineralogical composition as well as measurements of physical and mechanical properties. According to the obtained results and examination of samples by optical microscopy, it could be assumed that historically for the preparation of mixture the crushed gypsum grains were used as the filler, mixed in an anhydrite CaSO4 binder, obtained in temperature range of 800-1000o C.

Atslēgas vārdi
Cultural heritage, historical mortars, gypsum, investigation

Krāģe, L., Rozenštrauha, I., Stankeviča, L., Svare, J. Studies of Gypsum Castings at the Medieval Castle in Cesis (Latvia). No: Proceedings of the 9th Baltic States Restorer's Meeting, Lietuva, Vilnius, 11.-14. maijs, 2011. Vilnius: Lithuanian Art Museum, 2011, 274.-276.lpp. ISBN 978-609-426-023-0.

Publikācijas valoda
English (en)