🌐EnglishEnglishBahasa IndonesiaDeutschFrançaisNederlandsPortuguêsSvenska日本語EntityQ1895983· pop 15· linked from 16 articlessunstoneancient navigational aidWikidata factsImageCalcit NHM Wien 1.jpgvia Wikidata · CC0Available in 15 languagesFrançaisDeutsch日本語PortuguêsBahasa IndonesiaCatalanDanishFinnishGreekIcelandicMalayalamConnectionsallegoryEntityProceedings of the Royal SocietyEntityCategoriesCulture of IcelandGemstones in cultureHistory of navigationNavigational equipmentPolarization (waves)