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21 May, 15:52

Why is coal not classified as a mineral?

It is not a solid.

It is does not occur naturally.

It has no crystal shape.

It is made of organic material.

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Answers (2)
  1. 21 May, 16:29
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    It is made of organic material.

    Explanation:

    A mineral is a naturally occurring, crystalline, or abiogenic chemical compound. A particular chemical composition is found in a rock. Carbon is not a mineral because it is organic and a mineral that has a crystalline structure repeatingly.

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  2. 21 May, 18:30
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    Coal is not classified as a mineral because it comes from organic materials.

    Explanation:

    Minerals are naturally-formed substances that have a specific chemical makeup. They are created when elements combine. Minerals are non-organic and most have a set crystalline structure. Examples of minerals include diamond, azurite, beryl, and pyrite.
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