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Coal is fine grained, lack of visible texture.

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11y ago

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Does coal have course or fine grain?

Coal generally has a fine-grained texture, as it is composed of small particles formed from the accumulation and compression of plant material over millions of years. The grain size can vary depending on the type of coal and its formation process, but it is typically characterized by a smooth, even appearance. In contrast to coarse-grained materials, coal's fine grain allows it to burn more efficiently.


Is shale fine-grained or coarse-grained?

shale is fine grained


Is obsidian course-grained or fine-grain?

fine grained


What is the difference between fine-grained and coarse-grained?

Fine grained has larger crystals and coarse grained has smaller crystals


What is the difference between coarse-grained and fine-grained?

Fine grained has larger crystals and coarse grained has smaller crystals


Is marble fine grained or coarse grained?

coarse grained


Do metamorphic rock and igneous rock have fine grained and coarse grained?

Yes. Exactly, they do have both, fine grained and coarse grained rocks.


Is obsidian course grained?

fine grained


What is meaning the grain of the rock?

fine grained or coarse grained


Is Lime Stone coarse grained or fine grained?

it is fine grained because the grains that make it up are to small to see


How does fine grained igneous rock form?

when the lava cools quickley it is fine-grained


Is limestone coarse grained or fine grained?

Limestone can be both coarse-grained and fine-grained, depending on its composition and how it formed. Coarse-grained limestone typically contains larger mineral grains visible to the naked eye, while fine-grained limestone has smaller mineral grains that are not easily seen without magnification.