This stone which was collected on a beach in Northern California has engraved, painted and sealed onto it a Rúnseiða (Rune spell) for the Norse God Loki.
Rúnseiða for Loki description: Represents Loki and the sword Lævateinn. Tyr, when binded with the Þurs and Sól runes,
symbolizes the flaming sword Lævateinn. Þurs symbolizes his eldþursar blood and Sól symbolizes his Múspel-essence.