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Not known Factual Statements About minerals

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Streak: colour of a mineral when it's been ground to the good powder. Often tested by rubbing the specimen on an unglazed plate. Considerations haven't been lifted about the safety of any quantities of antioxidants in food. For more info on antioxidants in foods, pay a visit to the U.S. http://zoomgroups.com/userProfile/9697815

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