In the classic film, Dorothy’s ruby slippers and the shining Emerald City are both shown as glowing with gemstones. These ruby and emerald details make the two gems feel essential to the story’s look and magic.
Rubies and emeralds are precious gemstone minerals—rubies are red corundum colored by chromium, while emeralds are green beryl colored by chromium or vanadium. Both have been prized for thousands of years for their rich colors and use in jewelry and royal treasures.
