Calcium sulfate dihydrate bụ kristal kọlụm na-enweghị agba ma ọ bụ ntụ ntụ kristal na-acha ọcha.128 Celsius C na-atụfu 1.5 gesso ka ọkara hydrate na 163 Celsius dị n'elu na-enweghị ọdịnaya mmiri.Njupụta ikwu 2.32, ebe mgbaze Celsius C (1450 na-enweghị ọdịnaya mmiri).Ubé soluble na mmiri ọkụ soluble na alcohols na ọtụtụ organic solvents.