the.com/sunstone

a glittering gem that supposedly steered Vikings across cloud-choked seas before compasses existed

means A translucent feldspar gem flecked with tiny mineral inclusions that catch the light in a coppery, glittering shimmer; also the name given to the legendary crystal Norse sailors may have used to locate the sun through overcast skies.

from A plain English compound of "sun" and "stone," both old Germanic words. The mineral sense reflects its sparkling, sun-catching look. The Viking association comes from the Old Norse word "sólarsteinn," mentioned in medieval Icelandic sagas; the popular tale is that Norse navigators used such a stone to spot the sun on cloudy days, and while scholars suspect it may have been a polarizing crystal like Iceland spar (calcite), the saga references are sparse and the navigational use remains genuinely debated rather than proven.

viking gps
Polarizing crystals may have located the hidden sun
copper sparkle
Inner copper flakes create its fiery aventurescence shimmer
oregon official
It's the U.S. state's designated gemstone
space rumor
A sunstone was reportedly found in a shipwreck
feldspar family
Technically a labradorite or oligoclase variety
for instance

oregon sunstone — feldspar gemstone mined in lake county, oregon with copper inclusions creating red-gold sparkle

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