Ember
small pieces of coal are called slack. Thank you!
A coal seam
Excavated coal is commonly referred to as "mined coal."
A coal mine is typically referred to as a coal mine.
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Metamorphosed coal is called Anthracite.
coal ship
Small lumps of coal can be referred to as "coal nuggets" or "coal chunks."
Coal that is still in the ground is referred to as coal seam or coal deposit.
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A man who hews coal is typically called a "coal miner." This individual is responsible for extracting coal from underground mines using specialized tools and equipment.
A layer of coal underground is called a coal seam. This seam is a continuous layer or sheet of coal that is buried beneath the surface of the Earth.