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Salt vs pen plastic

 
 
Reply Thu 29 May, 2014 01:01 pm
Salt is a mineral but the plastic making up an inexpensive pen is not. Why not?
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Type: Question • Score: 1 • Views: 1,638 • Replies: 1
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Butrflynet
 
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Reply Thu 29 May, 2014 01:43 pm
@aakflygirl,

Plastic is not created by a natural geologic process.

http://www.rocksandminerals4u.com/what_is_a_mineral.html

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