In mass; not necessarily without a crystalline structure, but having no regular form; as, a mineral occurs massive.

It is a term which is used to describe a rock or mineral with no particular shape. This can be because it is non-crystalline, it is composed of tiny, unorganized crystals or it is a shapeless fragment of a crystal.

shape without crystals Cassiterite

Said of a shapeless lump or rock or mineral

Forming, or consisting of, a large mass; compacted; weighty; heavy; massy.

A large imposing form that appears to be heavy in weight.

Giving the impression of being large, bulky, heavy, and ponderous.

Large, substantial and proportionally heavy.

lack of horizons. i.e. soil as a solid mass

imposing in size or bulk or solidity; "massive oak doors"; "Moore's massive sculptures"; "the monolithic proportions of Stalinist architecture"; "a monumental scale"

imposing in scale or scope or degree or power; "massive retaliatory power"; "a massive increase in oil prices"; "massive changes"

The condition of a soil layer in which the layer appears as a coherent or solid mass largely devoid of peds.

(4) a homogenous structure, without stratification, flow-banding, foliation or bedding.

A term used in reference to a rock unit that is homogeneous in texture, fabric and appearance.

A general term denoting lack of foliation

consisting of great mass; containing a great quantity of matter; "Earth is the most massive of the terrestrial planets"

A wine of great power, concentration of flavor, persistence, and length.

In great vintages where there is a high degree of ripeness and superb concentration, some wines can turn out to be so big, full-bodied, and rich that they are called massive. A great wine such as the 1961 or 1990 Hermitage La Chapelle is a textbook example of a massive wine.