coal mine; an excavation site for extracting coal

gaseous fuel used for domestic cooking or heating

the process or industry of extracting coal from the earth

a layer or stratum of coal found between other layers of rock

a coalfield

(mining) coal gangue

charcoal briquette

a portable metal container used to store liquefied petroleum gas or other fuels for cooking or heating.

hexagonal household coal briquette

lignite or brown coal, a soft, brown, combustible sedimentary rock formed from naturally compressed peat

soot or coal ash

coal cinders; slag; slack

anthracite or hard coal, known for its high carbon content and low impurities

to burn coal

slack coal (final poor quality coal)

coal burning boiler

paper taper used to light cigarettes, pipes, etc.

dirty coal; muck from a colliery

smoky coal; bituminous coal

coal-shovel machine

(mining) coalface

jet (gemstone)

(bird species of China) coal tit (Periparus ater)

coal dust or coal slack; small fragments and fine particles of coal

The chemical process of converting coal into liquid hydrocarbons or fuels.