Specimens Collinsite is a relatively rare and not well known phosphate mineral. It forms in nodules and as crusts in altered granite pegmatites.
Crystals tend to be prismatic and are often aggregated together into bundles.
Color is brown to white or colorless. Luster is vitreous. Crystals tend to be prismatic and are often aggregated together into bundles. Cleavage is perfect in one direction. Fracture is uneven.