response: I don't really find any relaxing but emeralds are green due to their chromium content, do you find that interesting?
original_response: The most common colors to me are blue and green. My birthstone is actually Emerald which is a green stone mineral.
history: The most relaxing color to me is green, what about you?
knowledge: Several minerals have a green color, including the emerald, which is colored green by its chromium content.