cleavage hardness luster streak
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Owen tested a physical property of a mineral. He rubbed a mineral sample on a piece of white tile. The mineral left a red mark on the tile. Which of the following physical properties of the mineral was Owen most likely testing?
Possibilities:
- cleavage
- hardness
- luster
- streak

streak