Correct answer will get

2nd one: divergent boundary

Explanation:

Earth's crust can come together and collide (a “convergent” plate boundary),

spread apart (a “divergent” plate boundary), and

slide past one another (a “transform” plate boundary).

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.