Agate Geode formation explained by Dean Sessions 20180209

Описание к видео Agate Geode formation explained by Dean Sessions 20180209

Dean Sessions shows an agate slice and explains how a agates and geodes form. Agate nodules and geode are composed of quartz or chalcedony crystals.
Dean Sessions is the author of The Universal Model - New Millennial Science. Volume 1, The Earth System is all about geology and how rocks form. This is a tiny peice of his tour to the Tucson Gem and Mineral Show.

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