Free form beads include many shapes; marquise, tear drop, tubes, rondelles, and more. They may be drilled for stringing, or undrilled and used as a cabochon. As the name implies, the shapes are organic and natural, making the best use of the original shape.
Rhyolite is a volcanic, igneous rock with high silica content. Its name is taken from the Greek word “rhyax,” meaning “a stream of lava.” It is chemically identical to Granite,...