Question

how is streak different from color in mineral identification?
streak can only be tested on metallic minerals
streak is the same regardless of the minerals surface color
streak varies depending on lighting conditions
streak changes with temperature

Explanation:

Streak is the color of a mineral in its powdered form and is a more consistent property than surface - color which can be affected by impurities, oxidation, etc. Streak is not affected by lighting, temperature, and can be tested on non - metallic minerals too.

Answer:

Streak is the same regardless of the mineral's surface color