What does it mean to say that a mineral is inorganic?

Inorganic minerals are minerals that are present naturally (ex: in soil, air, water, inorganic minerals are not beneficial to the human body, and only plants can utilize them and transform them into organic minerals.

First, it's easier to understand the opposite.
an organic material is a compound containing organic food-based acids (ex:   animo, citric acids). organic minerals can also aid the human body.

answer:
inorganic minerals are minerals that are present naturally (ex: in soil, air, water, inorganic minerals are not beneficial to the human body, and only plants can utilize them and transform them into organic minerals. 

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