What is "hexasulfur"

Hexasulfur (systematically named hexathiane, and cyclo-hexasulfur) is an inorganic chemical with the chemical formula , consisting of a ring of six sulfur atoms. It is thus a simple cyclosulfane, and an allotrope of sulfur. It is also the final member of the thiane heterocyclic series, where every carbon is substituted with a sulfur atom.