It has an attractive honey-brown coloration as its typical and most noteworthy color. Laueite is dimorphous with the mineral stewartite . A dimorph is a mineral that has the exact same formula but different structures. Stewartite is named for the Stewart Mine, Pala, San Diego County, California where the mineral was first described. Luster is vitreous.
Specimens are translucent to transparent.
Crystal System is triclinic. Crystal Habits include wedge-shaped to tabular or prismatic crystals and fibrous crusts. Cleavage is perfect. Fracture is conchoidal. Streak is white.