Table 3 Average Raman ν1 FWHM of the calcite standards and archaeological samples measured with the 900 and 1800 gr/mm gratings (252 and 800 mm spectrometer focal length, respectively).
From: Crystallinity assessment of anthropogenic calcites using Raman micro-spectroscopy
Sample | ν1 FWHM (cm−1), 900 gr/mm grating | ν1 FWHM (cm−1), 1800 gr/mm grating |
|---|---|---|
Limestone | 4.5 ± 0.2 | 2 ± 0.1 |
Chalk | 4.6 ± 0.2 | 1.9 ± 0.1 |
P. amygdalus ash | 4.4 ± 0.2 | Not measured |
Q. faginea ash | 4.7 ± 0.1 | Not measured |
YIF F18 | 4.9 ± 0.2 | 2.1 ± 0.1 |
YIF E17 | 4.9 ± 0.2 | 2.1 ± 0.2 |
MOS 3889 | 5.8 ± 0.3 | 2.8 ± 0.3 |
TS 238 | 6.2 ± 0.3 | 3.2 ± 0.2 |
SHV 114 | 6.3 ± 0.4 | 3.8 ± 0.3 |
