Neighborite is very rare at Mont Saint-Hilaire. Color is usually dark red, reddish brown. Diaphaneity is transparent to translucent. Crystal Habits include pseudo-octahedral and pseudocuboctahedral crystals to 2mm, pseudocubic crystals to 3mm. Cleavage is not apparent.
Fracture is uneven.
Streak is white. Associated Minerals include aegirine, brookite, calcite, catapleiite, dolomite, epididymite, fluorite, mckelveyite, microcline, pyrophanite, rutile and siderite.