You all might wonder what ruby corundum really is. Simply put, it’s red corundum colored by chromium—and that red earns it the title of ruby. All rubies are corundum, but not all corundum is ruby. Understanding this makes your connection with the crystal deeper. You’re not just holding a stone—you’re holding a mineral with fiery purpose. Tree of Life Gems carries natural ruby corundum in raw form, ready for those who appreciate both energy and elemental science.