A hitherto unknown TI-sulfosalt, containing antimony and arsenic, was discovered by ore microscopy (including quantitative reflectance measurements) and electron microprobe analysis in samples from the Allchar TI-Sb-As sulfide ore deposit (Macedonia). The chemical formula is TI
5Sb
9(
As,Sb)
4S
22, X-ray single crystal and powder diffration data gave the lattice parameters
P[`1]P\bar 1
, Z = 1. The new mineral and the new mineral naine P[`1]P\bar 1
, Z = 1. Das neue Mineral, sowie der neue Mineralname
Jankovi
it
wurden durch die IMA/CNMMN anerkannt.