During the Tertiary Period of massive volcanic activity, fire agate gemstone deposits formed. A shimmering iridescence known as the Schiller effect is caused by alternating layers of silica and iron oxide within the agate. They diffract and allow light to pass through and form a color interference within the stone’s structure, causing the fire effect for which it is named. Brian Yatsattie wows us again with an incredible
Snake sculpted to showoff the iridescent colors like red, orange-brown and green, similar to opal, that live in this approximately 2" long, 1" wide and 7/8" tall wonderful reptile from Mexican fire agate.
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