What is "pabstite"

n. (context mineralogy English) A hexagonal-ditrigonal dipyramidal mineral containing barium, oxygen, silicon, tin, and titanium.

Pabstite is a barium tin titanium silicate mineral that is found in contact metamorphosed limestone. It belongs to the benitoite group of minerals. The chemical formula of pabstite is Ba(Sn,Ti)SiO. It is found in Santa Cruz, California. The crystal system of the mineral is hexagonal.