Rhyolite

Sold 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...

Approximate 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...

Approximate 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...