Question

which of these properties, used alone, would be least useful in identifying most minerals? A color B luster C streak D density

Answer 1

A, color.

Step-by-step explanation:

Color would be the least useful because minerals are often the same or similar in color. :)

Answer 2

A-color

Step-by-step explanation:

Minerals could have the same color, and you can't depend on color to tell you that.