minerals in food

Hi,i want to ask the rocks and minerals that can be used in food or drug(medicine).
if you can tell me the name of the indusrial mineral and it's uses
and thank you

 

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Why do you want to know? Are you thinking of going into the nutriceuticals manufacturing business?

 

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no i dont want to make a bussiness, I'm a student and I'm making some resarch, so please help me

 

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Calcium and Iron are essential to life and found in many foods, although people consume many other minerals and nutrients, whether man-made or not, whether good for you or not, simply because they taste good or they think that it'll have some good effect on their body. That's all that I can really offer at the moment. Sorry, I'm not very into nutrients and minerals unless we're talking about geological compisition of planets...