Also found granular, massive and occasionally in radial aggregates. Cleavage is imperfect in two directions at 56 and 124 degrees. Fracture is uneven. Hardness is 5 - 6. Streak is brown.
Large crystals have an almost striated or grainy appearance.
Associated Minerals are quartz , feldspars , aegirine , arfvedsonite , diopside , pectolite , phlogopite , chromite , Iron-nickel , roedderite , kosmochlor , krinovite , tainiolite , calcite , fluorite , svabite , sodalite and eudialyte .