Rhyolite
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Birds Eye Rhyolite 40x50mm Oval
Bead World Gems
₣5.21Sold 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...₣5.21 -
Rhyolite Polished 8mm Round
Bead World Gems
₣9.74Approximate beads per strand: 45 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...₣9.74 -
Rhyolite Polished 6mm Round
Bead World Gems
₣8.61Approximate beads per strand: 65 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...₣8.61