This is a carved Rainbow Obsidian Heart.

(US Imperial Ruler in pictures for scale)

Each stone and crystal has metaphysical properties that can help aid in specific situations, help boost certain body functions/body parts, and can even offer different insight into the seen and unseen world around us.

Rainbow Obsidian: is a very calming and nurturing stone. It is said to help individuals regain their lost power as well as discover their true potential. This stone is a very deep cleansing stone and will help break any negative destructive patterns or tendencies like self-doubt, depression, anxiety, addiction, aggression, fear, and foggy or scattered thinking patterns. It brings compassion and understating into one’s life, both with one’s self, and with others. It is thought to be a bright beacon for those who feel lost in life, helping them find their way back to happiness and their life’s goal.