Opal

Opal is a semiprecious iridescent rock, made from hydrated silica.
==History==
In the late 9th century, opals could be found throughout England, and the Thousand Eyes merchant guild as well as their leader Reda used them as a form of trade currency or rewards for certain contracts.Assassin's Creed: Valhalla – The Thousand Eyes Eivor Varinsdottir of the Raven Clan found many of these during her travels and traded them with Reda for equipment.Assassin's Creed: Valhalla
In 1868, the twins Jacob and Evie Frye used a fire opal to craft the Mirage Gauntlet.Assassin's Creed: Syndicate
==Behind the scenes==
Opal is actually a , not a .
==Appearances==
*Assassin's Creed: Syndicate 
*Assassin's Creed: Valhalla 
**Dawn of Ragnarök
==References==
Category:Resources
Category:Minerals