Obsidian：A dark, glossy volcanic glass, believed to protect against negativity and promote grounding.This energy is powerful and intense, capable of warding off evil, protecting the home, dispelling foul and illness-causing energy, resolving disputes and confrontations, confronting fears, revealing one’s own dark side, and fostering self-reflection.

Amazonite:A blue-green variety of microcline feldspar, often associated with balance, communication, and inner peace.It can enhance self-confidence and courage, improve on-the-spot performance ability, enhance memory, help logical thinking and exam luck. It can improve concentration and comprehension during the learning process. People with poor spine can wear Amazonite to sort out the energy of the spine.