The International Prester John Project: How A Global Legend Was Created Across Six Centuries

Sardonyx

Closely related to onyx, another agate, sardonyx is formed from bands of chalcedony in alternating colors. This stone has long been reputed to carry properties of self-empowerment and optimism. 

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  1. The Letter of Prester John Christopher Taylor // christopher.eric.taylor@gmail.com

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  1. Precious Gems

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