Anthracite and Ember

Anthracite noun - A hard natural coal that burns slowly and gives intense heat.

Ember and anthracite are semantically related. in bitumen topic. In some cases you can use "Ember" instead a noun "Anthracite".

Ember noun - A hot fragment of wood or coal that is left from a fire and is glowing or smoldering.

Anthracite and ember are semantically related. You can use "Anthracite" instead a noun "Ember".