“…Within the same batch, analyses of small black platelets with a hexagonal shape gave the composition (at. %, mean of 10 spot analyses): Eu 24.1(1), Nb 15.9(1), S 60.0(6), which, on the basis of 22 S atoms, led to the formula Nb 8.82 Eu 5.85 S 22 , close to the structural formula of the commensurate composite compound Nb 8 Eu 6 S 22 recently described by Khasanova et al…”