Question

mineral management
step 1: luster
is this mineral reflecting light in a metallic or nonmetallic way?

Explanation:

The mineral shown (like a green, non - shiny - metallic - looking mineral, e.g., maybe a gem - like mineral) has a luster that is non - metallic. Metallic luster is typical of metals (shiny, like metal), while this mineral's appearance suggests non - metallic (e.g., vitreous, pearly, etc. - like non - shiny - metallic reflection).

Answer:

Nonmetallic