When held up to a bright light source, the crystals are a red transparent color, like a garnet crystal. Many specimens are studded with clear, yellow calcite crystals. They are found in many localities around the world, but many people have never seen them. This size is excellent for jewelry such as earrings and wire-wrap. Commonly called Zeolites, these specimens are a group of related hydrous tectosilicate minerals, popular among collectors.
Zeolites commonly occur in cavities in basic igneous rocks, especially vesicular basalt.
Commonly called Zeolites, these specimens are a group of related hydrous tectosilicate minerals, popular among collectors. Zeolites commonly occur in cavities in basic igneous rocks, especially vesicular basalt. A must for every collection. We received a limited quantity of these fine specimens. Be sure to get yours before they are gone.