POLISHED QUE SERA STONE (LLANITE)

Que sera stone and llanite are trade names for unique varieties of rhyolite (a volcanic rock with high silica content) known for striking, opalescent, blue quartz phenocrysts that seem to glow in the sunlight. While the stones are similar in appearance and composition, llanite is exclusively used to refer to material found in Llano County, Texas, while que sera stone is used to refer to material from Brazil. The stones contain a variety of minerals, including quartz, feldspar, kaolinite, iron oxides, magnetite, clinozoisite, and leucozene. The stones are very dense, so they take on a very lustrous polish and are quite striking.