Jasper is one of the twelve foundation stones of the New Jerusalem, as written by Saint John in the book of Revelation. The Jasper available and valued at the time of his writing was green-hued, though there are an incredible number of varieties in a variety of colors. It is also named as one of the stones in the breastplate of Aaron, as described in Exodus. It could be highly polished, even long ago, and was used both as a gem and as a medium for sculpted items.

 

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