It is undistinguishable from other powdery white species such as brockite, cerussite, kaolinite, montmorillonite, nahpoite, natrophosphate, szomolnokite, thermonatrite and trona.
Color is usually white.
Luster is vitreous to earthy. Diaphaneity is translucent. Crystal Habits include powdery fillings and compact blobs. Cleavage none apparent. Streak is white.