Coal

Coal is a black rock that is made from ancient plants. It is used to make energy!

Appearance

The Coal is a dark black or brownish-black rock that often has a dull, earthy sheen. It can sometimes show visible layers or streaks, reflecting its ancient plant origins and sometimes appears shiny or vitreous.

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Coal

Interesting facts

Coal helped power steam engines, kicking off the amazing Industrial Revolution!

Imagine forests from 300 million years ago squished under pressure to form this rock!

Some types of coal can actually float on water because they are surprisingly light!

The world's deepest coal mines go down over 3.5 kilometers, that's incredibly far!

Special abilities

Coal has ancient plant energy stored within that allows it to burn fiercely, releasing significant heat.

Coal is packed with carbon, a vital element used to make many materials, including steel and plastics.

Measurements & details

Color Range: black, brownish-black
Hardness: 1
Luster: dull
Specific Gravity: 1.3

Traits

Sedimentary

Discover rocks made from tiny pieces of other rocks, sand, or even ancient living things, all pressed together over time! They tell stories of Earth's past.

Ancient

Look for fascinating things that have been around for a very, very long time! These can be old trees, rocks, or even amazing fossils that tell stories from the past.

Fossil

Discover amazing clues about ancient life preserved in rocks! Fossils are like nature's time capsules, showing us creatures and plants from millions of years ago.

Natural

These are wonderful things that come straight from the Earth, shaped by wind, water, and sun! Everything from towering trees to tiny pebbles is part of our natural world.