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Composition of the niello inlays of the buckles based on SEM-EDX measurements. Chemical ranges for different silver-copper sulphides are based on Grybeck and Finney (1968) for jalpaite (Ag 1.55 Cu 0.45 S-Ag 1.5 Cu 0.5 S); Skinner et al. (1966) and Kolitsch (2010) for mckinstryite (Ag 1.18 Cu 0.82 SAg 1.25 Cu 0.75 S), and Frueh (1955) and Tokuhara et al. (2009) for stromeyerite (Ag 0.9 Cu 1.1 S-Ag 1.0 Cu 1.0 S), respectively.

Composition of the niello inlays of the buckles based on SEM-EDX measurements. Chemical ranges for different silver-copper sulphides are based on Grybeck and Finney (1968) for jalpaite (Ag 1.55 Cu 0.45 S-Ag 1.5 Cu 0.5 S); Skinner et al. (1966) and Kolitsch (2010) for mckinstryite (Ag 1.18 Cu 0.82 SAg 1.25 Cu 0.75 S), and Frueh (1955) and Tokuhara et al. (2009) for stromeyerite (Ag 0.9 Cu 1.1 S-Ag 1.0 Cu 1.0 S), respectively.

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Figure 3. The different decoration techniques used on the buckles...
Figure 4. Composition of the three buckles based on the hXRF...
Figure 5. Composition of the niello inlays of the buckles based on...
Figure 6. Backscattered electron images of the niello inlays and...
+3 Figure 8. Typical XRF spectra of the gilded areas of the buckles.
Possibilities and Limitations of Non-Invasive Analytical Methods in the Examination of Garnet- and Niello-Inlaid Precious Metal Objects – Case Study of Three Polychrome Animal-Style Silver Buckles from the 5th-Century Carpathian Basin
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  • May 2021
The use of non-destructive and non-invasive analytical methods is widespread in the archaeometric study of metal objects, particularly in the case of precious metal artefacts, from which sampling is not, or in a limited way, allowed due to their high value. In this study, we highlight the main advantages and limitations of non-destructive analytica...
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Context 1
... Cu), even within a single object. It is composed of different silver-copper sulphides with different Ag:Cu ratios ranging from 1:1 to pure copper sulphide (Table 4; Figure 5). The surface of the niello inlays is not even and flat, indicating that the niello inlays were not polished after application ( Figure 6A-B). ...
Context 2
... Cu), even within a single object. It is composed of different silver-copper sulphides with different Ag:Cu ratios ranging from 1:1 to pure copper sulphide (Table 4; Figure 5). The surface of the niello inlays is not even and flat, indicating that the niello inlays were not polished after application ( Figure 6A-B). ...