Which of the following physical properties are unreliable and not unique to a particular mineral and so must be used only cautiously when identifying minerals in the absence of scientific instruments?

Question

Quizplus · Accepted Answer

Color can vary within a mineral species, and different minerals can have the same color, making it an unreliable property for identification without scientific instruments. Hardness, cleavage, and density are typically more consistent and reliable for mineral identification.

Which of the Following Physical Properties Are Unreliable and Not