Skip to main content
Heritage Science
Fig. 5 | Heritage Science

Fig. 5

From: The many faces of Reigate Stone: an assessment of variability in historic masonry based on Medieval London’s principal freestone

Fig. 5

a Selection of results from XRD analysis showing mineralogical variation across and within separate quarries (Gatton and Quarry Field, Merstham), and across and within individual buildings and sites (White Tower and Wardrobe Tower, Tower of London, and Hampton Court Palace). b Chart showing differing correlation between opal CT and quartz within freshly quarried stone (R = − 0.67) and stone used in buildings (R = − 0.15), lower quartz content in building stone, and higher opal CT content in phase 1 building stone

Back to article page