Creedite is a mineral that is quite rare in nature. There are a few other terms that can be used to describe this mineral, including calcium aluminium sulfate hydroxide, calcioaluminotrihydroxide-sulphate, and calcium aluminium trihydroxide sulphate. Other synonyms for creedite include the terms aluminum hydroxy sulfate, schoonerite, and arseniosulfatian hydrocalcite. The mineral is known for its unique and unusual crystal formations, which can be described as octahedral or bipyramidal. Its colors vary from white to yellow, pink, purple, and red. It is often found in metal sulfide veins in zinc, copper, silver, and lead minerals. Due to its rarity and unique appearance, creedite has become a collector's favorite.