Rulestone (medieval): Difference between revisions
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[[Category:Fiction (nonfiction)]] | [[Category:Fiction (nonfiction)]] | ||
[[Category:Geology (nonfiction)]] | |||
[[Category:Iceland (nonfiction)]] | |||
[[Category:Minerals (nonfiction)]] | |||
[[Category:Crimes against geological constants]] | [[Category:Crimes against geological constants]] | ||
[[Category:Kings]] | [[Category:Kings]] | ||
Latest revision as of 05:50, 29 September 2021
The rulestone (rule-stone, king-stone, etc.) is a type of mineral (nonfiction) attested in several 13th–14th century written sources in Iceland, one of which describes its use to locate a king under adverse conditions.