Question

what was the ages of the oldest known fossils? and what kind of life form were they?

Answer 1

I did some little research I would say it is not, but I would suggest that you rely not on me, but on your material.

Answer 2

http://www.answers.com/Q/Are_synthetic_diamonds_considered_minerals

Answer 3

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Answer 4

:)

Answer 5

Also here
http://www.answers.com/Q/Why_are_diamonds_not_considered_minerals

Answer 6

@Ambriak4

Answer 7

I guess she is afk