Fig. 2
From: Analysing the glaze of a medieval ceramic fragment from the Durres Amphitheater in Albania
SEM-EDAX BSE greyscale image of the composition and morphology of the glaze. a Residual quartz with tridymite overgrowth, sylvite euhedral, and aggregates of tin compounds in the glass matrix; b Spinifex texture of tridymite in ameboid immiscible glass segregation; c Incipient symplectic structure formed by tridymite and K-feldspar; d Residual orthoclase plus quartz microliths; e Neo-formed laths of sanidine in the glass; f Corroded leucite in reaction with sanidine; g Residual pure Sn oxide, cerussite; in reaction with the surrounding glass forming tin–lead silica compounds; h and i Details of aggregates of tin compounds in glass. Qz quartz, Syl sylvite, Trd tridymite, Kfs K-feldspar, Lct leucite, Cst cassiterite, TC tin compounds