Leucophanite is named for the white flashes that are seen as a crystal is rotated. There are a few similar sounding minerals such as leucophoenicite , leucophosphite , leucosphenite and even leucite . But leucophanite is very different from all of these. Color is white to yellowish, yellow and green. Luster is vitreous.
Specimens are translucent to transparent.
Crystal System is triclinic, 1. Crystal Habits are pseudotetragonal and pseudocubic forming rectangular box or cube shaped crystals. Penetration twinning is common and forms flat square and elongated crystals. Aggregate rosettes are also seen. Cleavage is perfect in one direction and fair in two others.