It has shimmer in it's depth.  You can run but you can't hide from the all seeing obsidian.

"Obsidian is a stone without boundaries or limitations. It works extremely fast and with great power. Its truth enhancing, reflective qualities are merciless in exposing flaws, weaknesses and blockages. Nothing can be hidden from obsidian." -  healingcrystals.com

Metal: 14k Goldfill
Stone: Obsidian
Length: 2.25"
Style: Burlington