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23 March, 17:54

Why is coal not classified as a mineral?

a. it is made of organic material

b. it has no crystal shape

c. it is not a solid

d. it does not occur naturally p. s theres not a science option so i just put chemistry

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Answers (1)
  1. 23 March, 18:07
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    A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin. A mineral has one specific chemical composition. Coal is not a mineral because it is organic while a mineral is inorganic that have repeating crystalline structure.
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