Other names for aluminium hydroxide include aluminium acid, aluminium hydroxide, and aluminium (III) hydroxide. Gibbsite and its polymorphs, doyleite, nordstrandite, and bayerite, are examples of the mineral in nature.
Amorphous white powder is aluminium hydroxide. It is soluble in alkaline and acidic solutions but insoluble in water. As a result, gelatinous Al(OH)3 is regarded as an actual amorphous solid.