Journal
MINERALS
Volume 12, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/min12010041
Keywords
ancient mortar; binder; lime; optical and electronic microscope
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This paper discusses the advancements in the use of optical and electronic microscopes for studying the mineralogical and microchemical features of lime binders in ancient mortars. Various case studies were conducted to verify the complementarity of optical and electronic microscope analyses on these artificial materials. The analyses provided detailed and precise information on the composition, structure, and texture of lime binders, as well as the classification of lime lumps.
In this paper, the advances in the use of optical and electronic microscope for study of the minero-petrographic and microchemical features of lime binders of ancient mortars are discussed for various case studies. Mortars belonging to several historic periods and with different functions in building structures and archaeological sites were selected in order to verify the complementarity of optical and electronic microscope analyses applied to these artificial materials. The data obtained with the application of optical and microscope analyses were able to provide detailed and more precise information on the composition, structure, and texture of lime binders, highlighting the features of air hardening calcitic lime binder, air hardening magnesian lime binder, natural hydraulic lime binder, and air hardening binders with materials providing hydraulic characteristics added. Furthermore, a complete analysis and classification of the lime lumps was determined.
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