Sard and Onyx are two types of mineral chalcedony, banded together making stark contrasts of reddish brown, and white with zebra-like patterns. 
 
Sardonyx was a popular stone in ancient times, not only because of it's beauty, it was more widely available to the less wealthy or those of no nobility. Throughout history it was hailed as a protective talisman, a stone of righteousness and justice, and a stone of eloquence and beauty. Today, healers use sardonyx to bring alignment to their root chakra and sacral chakra. Igniting passion, creativity, self-confidence, grounding, protection, and a strong connection to your truest self.