Obsidian helps to protect the very sensitive against depression. It is the stone of the soft hearted and gentle people of the world. Use obsidian to help block negativity of any kind. As a black gemstone, it symbolizes self control and resilience. Black stones have protective energies in the sense that black is the absence of light, and therefore, can be used to create invisibility.

Yellow quartz brings clarity for decision-making, relief from 'burnout', panic, nervousness, exhaustion, sharper memory and concentration skills, and protection from lethargy and depression during dull weather. Yellow quartz brings joy, creativity, and boosts our immune systems. It is associated with the Solar Plexus Chakra, which it opens, heals, activates, and cleanses to increase our self-confidence, self-worth, and sense of personal power.