Utah Wonderstone is a volcanic Rhyolite. This particular variety was once a very fine volcanic ash. Through pressure and time this ash became rock hard as the colorful chemicals such as iron in the earth seeped through and swirled into a glorious design producing a smooth texture for a soft, desireable cutting material. This wonderstone is only found in the fishlake mountains of Utah near Salina, Utah, Sevier county.
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