B30 obsidian yin and Yang pendant

Obsidian is a naturally occurring volcanic glass formed when felsic lava cools rapidly. Because it cools too quickly for crystals to form, it is classified as a "mineraloid" rather than a mineral. It is renowned for its razor-sharp edges, glossy appearance, and deeply grounding metaphysical properties, while the Yin and Yang is an ancient Chinese philosophical concept describing how opposite, interconnected forces are complementary and interdependent in the natural world. Yin (black, shaded) represents passivity, cold, and the feminine, while Yang (in this is the unpolished black) represents activity, warmth, and the masculine

this comes with a rope cord