I love the striking colors and striations on the gem, but I have failed to understand the concept. This could possibly have a negative affect on your score, although, i hope not.
I am not sure I understand why you chose the title you chose or what the shell pasta as the secondary subject, but that is a discussion for another time. The shot is beautifully lit and composed, for what you were creating. I think the shot of mother natures beauty buried in a crusty exterior might provoke some thoughts.