Any fibrous material formed by spinning or drawing molten mineral or rock materials such as slag and ceramics.

(rail transport, UK) An open goods wagon with relatively high sides for the transport of minerals such as coal or iron ore.

plural of mineral wagon

(obsolete, mineralogy) cinnabar

Both vegetal and mineral.

plural of mineral wax

A railway used primarily for the transport of ore.

plural of mineral railway

A mineral that contains one or more rare earth elements as major metal constituents.

plural of bone mineral density