TY - JOUR AU - Jones, M. S. AU - Wakefield, R D. AU - Forsyth, G. PY - 1999/12/30 Y2 - 2024/03/29 TI - The occurrence of rare minerals on decayed medieval Scottish building stone colonized by biological growths JF - Materiales de Construcción JA - Mater. constr. VL - 49 IS - 256 SE - Research Articles DO - 10.3989/mc.1999.v49.i256.431 UR - https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/431 SP - 3-14 AB - During the course of a study of biodeterioration at Hermitage Castle in the Scottish Borders various rare minerals: monohydrocalcite, nesquehonite and dypingite were found in association with the biological growths. Monohydrocalcite was found particularly in association with a green alga "Trentepohlia aurea". A brief review of previous publications concerning these minerals is given and the theory put forward with regard to the possible origin of the monohydrocalcite as a biogenic by product. ER -