Which of the following is not a criterion for defining something as a mineral?
A)Naturally occurring
B)Hard
C)Generally inorganic
D)Orderly crystalline structure

Question

Quizplus · Accepted Answer

Hardness is a physical property of minerals, but it is not a criterion for defining something as a mineral. The four criteria for defining a substance as a mineral are: (1) it must be naturally occurring; (2) it must be inorganic; (3) it must have a definite chemical composition; and (4) it must have an orderly crystalline structure.

Which of the Following Is Not a Criterion for Defining