opaque, reddish variety of quartz known as the "Stone of Endurance," prized for its grounding, stabilizing, and energizing properties, often used for protection, boosting vitality, and connecting to the Root Chakra to promote physical strength, courage, and emotional balance, 

Historical & Cultural Significance

Ancient Egypt: Believed to be a stone of strength and fertility, used in jewelry and sacred items.

Biblical: Mentioned as one of the foundation stones of the New Jerusalem.

Mythology: Associated with courage, strength, and protection, famously used by the dragon-slayer Sigfried.