bn:02375066n
Noun Concept
Categories: Webarchive template webcite links, Polarization (waves), History of navigation, Navigational equipment, Articles with short description
EN
Sunstone  Icelandic solarstein  Icelandic sunstone  Medieval solarstone  Medieval sunstone
EN
The sunstone is a type of mineral attested in several 13th–14th century written sources in Iceland, one of which describes its use to locate the sun in a completely overcast sky. Wikipedia
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EN
The sunstone is a type of mineral attested in several 13th–14th century written sources in Iceland, one of which describes its use to locate the sun in a completely overcast sky. Wikipedia
A crystal mentioned in medieval manuscripts in Iceland and supposed to reveal the position of the sun in overcast sky Wikipedia Disambiguation
Ancient navigational aid Wikidata