Green crystals instead of his sight

An enigmatic person seeming not a local one came from a desert, and was wandering around a town. He avoided to look directly at conversationalists, but his ferret was staring at them every time instead. The guy was hiding his eyes lowering the head and playing with his necklaces during conversations. Glare of the sun danced on green eyecatching crystals... And people did not notice that their collocutor uses magic - captivating their minds.

Done