8mm beads 

Solar Plexus Chakra
Snowflake Obsidian comes directly from a volcano, it contains the elements of earth, water, and fire. This combination means that it also carries immense power and has intense grounding energy.

Root Chakra
Black Tourmaline is known for it's protective and grounding energy and can help clear your aura.

3rd Eye Chakra
African Turquoise is aka The Stone of Evolution.  It helps open your mind to possibilities, and helps to bring about great change and transformation.