Someone or something with potential or talent but lacking training or polish: “Her singing voice is beautiful, but she needs help with her gestures; she's a diamond in the rough.” This phrase refers to the fact that diamonds found in nature are rough and uneven. <- this is the figurative meaning if that’s what you were trying to get (done some research.)
Samarium is using looking grass
<span>The Indian Ocean Trade began with small trading settlements around 800 A.D., and declined in the 1500’s when Portugal invaded and tried to run the trade for its own profit.</span>