Which of the following is a physical or chemical characteristic of a mineral?

Select one:
a. Minerals are organic.
b. Minerals have a crystal structure.
c. Minerals may be solid, liquid, or gas.
d. Minerals consist of a varied arrangement of elements.

Respuesta :

I believe the answer is b. Minerals have a crystal structure
On it's natural form, mineral consist of 
crystalline form and abiogenic in origin.
In mineral, there is only one substance that made up the whole composition and each type of minerals usually possess different crystal structure that are unique from other minerals.