It was originally thought to be murmanite. Color is tan, silvery, pinkish beige and yellow-gray. Luster is vitreous and pearly to silky on lamellar habit. Diaphaneity is translucent and opaque on lamellar habit. Crystal Habits include sharp well-formed platy crystals to 5cm and embedded lamellar to micaceous masses.
Fracture is uneven.
Hardness is 2 - 3. Streak is white. Associated Minerals include aegirine, albite, analcime, eudialyte, microcline and nenadkevichite.