Table 1 Bronze-like covering: results of the PLM and SEM-EXD investigation on inorganic pigments
From: Recovery and examination of sculpture group Fugitive Slaveby V. Beklemishev
Sample | Layer | Elements detected by SEM-EDX | Suggested pigments and minerals |
|---|---|---|---|
Bright | lower white layer | Ca, S | gypsum |
lower dark brown layer | Si, Fe, Ca, S, K | mixture of gypsum and iron earth pigment | |
orange layer | Pb | lead red | |
dark brown layer | Si, Al, Fe, Ca, S, Mg, K | mixture of gypsum and iron earth pigment | |
bright orange chips | Cu | copper filings | |
uppermost very thin layer | Cu, As | copper arsenic | |
Dark | lower white layer | Ca, S | gypsum |
lower dark brown layer | Si, Fe, Ca, S, K | mixture of gypsum and iron earth pigment | |
orange layer | Pb | lead red | |
dark brown layer | Si, Al, Fe, Ca, S, Mg, K | mixture of gypsum and iron earth pigment | |
bright orange of chips | Cu | copper filings | |
intermediate very thin layer | Cu, As | copper arsenic | |
thick dark brown layer | Si, Al, Fe, Ca, S, Mg, K | mixture of gypsum and iron earth pigment | |
orange layer with white inclusions | Pb | mixture of lead red and white lead | |
bright orange of chips | Cu | copper filings | |
upper dark brown layer | Si, Al, Fe, Ca, S, Mg, K | mixture of gypsum and iron earth pigment | |
uppermost very thin layer | Cu, As | copper arsenic |