Obsidians are formed by volcanoes, so this is a stone that comes from the depths, transformed by fire! It has some blues, greens or purples, This is because microscopic bits of minerals, like magnetite, got mixed in with the black volcanic glass that is obsidian.
Think of the power of this stone as grounding through hard times and grief. Try pairing it with rose quartz for emotional healing, or rhodonite to bring up buried grief so it can be worked through.
It is associated with love, gentle healing, protection, dealing with abuse and the illnesses abuse can create when coping means harm in the long run in order to get through the pain of today.