both a diamond and a lump of coal are primarily composed of the element Carbon (C)
Yes, coal is a noun, a common, concrete noun; coal is a word for a substance, a thing.
A burning lump of coal is called Ember
A Lump of Coal was created on 1991-10-08.
The Lump of Coal was created on 2008-09-30.
They are all comprised (or made up of) carbon.
All feature Graphite which is formed from carbon molicules
The price of coal varies depending on the level of customer demand. Additionally, the size of the lump of coal will make the price vary.
A lump of coal
a lump of coal