Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  habitus(noun) person's predisposition to be affected by something (as a disease) the consumptive habitus. 2  physique, build, body-build, habitus(noun) constitution of the human body.
A mineral is a naturally occurring substance, representable by a chemical formula, that is usually solid and inorganic, and has a crystal structure. It is different from a rock, which can be an aggregate of minerals or non-minerals and does not have a specific chemical composition.
Minerals differ from rocks, which are naturally occurring solids composed of one or more minerals. Rocks do not have a distinctive chemical composition or crystal structure. The earth science definition, however, is not always used to define minerals.he legal definition of mineral, according to Black's Law Dictionary (1968, p. 1146) is any valuable inert or lifeless substance formed or deposited in its present position through natural agencies alone, and which is found either in or upon the soil of the earth or in the rocks beneath the soil..