Luster is vitreous. Diaphaneity is transparent to translucent to opaque. Crystal Habits include elongated pseudohexagonal, striated crystals to 12mm as individual or groupsof crystals.
Fracture is subconchoidal to uneven.
Hardness is 5.5 - 6. Streak is white. Associated Minerals include calcite, fluorite, pectolite and wollastonite.