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.
Rock vs Mineral. A mineral is a solid formation that occurs naturally in the earth while a rock is a solid combination of more than one mineral formations which is also occurring naturally.A mineral has a unique chemical composition and is necessarily defined by its crystalline structure and shape. rock can also contain organic remains and mineraloids apart from regular mineral formations. There are some rocks that may include just one mineral formation though. The commercial value of minerals is immense and rocks are mined to extract these minerals.