Question

which mineral property describes how light shines off a mineral, it can be either metallic or nonmetallic?
refraction
reflection
streak
luster

Explanation:

• Refraction is the bending of light as it passes through a mineral.
• Reflection is the bouncing back of light from a surface in general, not specifically the property of a mineral categorized as metallic or non - metallic.
• Streak is the color of the powder of a mineral when it is scraped.
• Luster is the property of a mineral that describes how light shines off it, and it can be classified as metallic (shiny like a metal) or non - metallic (e.g., dull, glassy, etc.).

Answer:

Luster