Most gemstones enter jewelry tradition through established pathways—discovered by ancient civilizations, claimed by royalty, accumulated symbolic meanings across centuries. Labradorite followed a different trajectory entirely. This feldspar species, named for the Labrador Peninsula where European explorers first encountered it, arrived in Western consciousness relatively recently and brought with it something unprecedented: not transparent clarity, not saturated color, not brilliant sparkle, but phenomenon—shifting blue and green fire that seemed to move within the stone itself, defying conventional understanding of how gems should behave. Art Deco designers confronted labradorite without historical precedent to guide them, forced to develop entirely new approaches to a material that refused familiar categories. The resulting jewelry represents some of Art Deco's most experimental work, demonstrating what happens when designers encounter materials that demand innovation rather than permitting tradition.