Table 4. Results of the FPSM analysis on sample 4 of the search–match round robin (see Fig. 6 ▸).

Phase COD ID	Name	Vol.%	Wt%	Crystallites (Å)	Microstrain
9012702	Litharge	7.7	8.5	2669	0.004
1513337	(Pb O)4 (Pb (S O4))	45.4	43.9	1259	0.0015
1513337	(Pb O)3 (Pb (S O4)) (H2 O)	17.1	14.4	450	0.00085
9012697	Litharge	29.8	33.2	640	0.00087