A silver copper antimony arsenic sulfide, typically iron-black with red internal reflections. It's associated with attracting wealth, transformation, and spiritual growth.
Iron-Black, Steel-Grey, Cherry-Red (in thin splinters), often forms tabular pseudohexagonal crystals
Polybasite is classified as a sulfosalt minerals mineral which typically crystallizes in the monoclinic and trigonal polytypes system. Its chemical formula is [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4].