Rhyolite
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Birds Eye Rhyolite 40x50mm Oval
Bead World Gems
$5,853.50Sold Individually What is it: Rhyolite is a form of igneous rock with a very high silica content. Rhyolite usually forms in continental or continent-margin volcanic eruptions where granitic magma (molten rock that is made up of crystals of various...$5,853.50