the.com/sunstone
a glittering gem that supposedly steered Vikings across cloud-choked seas before compasses existed
viking gpsPolarizing crystals may have located the hidden sun
copper sparkleInner copper flakes create its fiery aventurescence shimmer
oregon officialIt's the U.S. state's designated gemstone
space rumorA sunstone was reportedly found in a shipwreck
feldspar familyTechnically a labradorite or oligoclase variety