maybe it's just me but i always thought it looked like a pendant, seeing as you can open it to reveal a mirror yet for some reason here it's just a glowing rock....
speaking of which why is it glowing? the whole point of it is that it just looks like a normal necklace and no one takes any notice of it yet if someone sees his glowing necklace i'm pretty sure they're gonna wanna steal it.
@doomer no you are right I had the same reaction. Multiple times in the novel, including more recent chapters, described the Mirror of Samsara being one of those pendtands that open up in half to reveal the mirror (similarly to photo pendants). No clue why the artist would draw it like that nothing about says "mirror".