Hyalite Opal Specimen - Mexico hematite Pyrite is used as an

Pyrite is used as an iron ore and to produce sulfur dioxide for sulfuric acid

Herkimer Diamond Quartz is a must-have for any crystal enthusiast

Purchase does not include the sphere stand shown in photo

adding a special feature for those interested in mineral properties

Weight: 1411

Hyalite Opal Specimen - Mexico hematite Pyrite is used as anHyalite Opal Specimen Hyalite opal is an unusual variety of opal found in various volcanic locations around the world. Because of its unique structure, you won't find any opalescence or "play of color" that traditional opals are known for. Instead, hyalite opal impresses when viewed under both Longwave and Shortwave ultraviolet light, fluorescing a strong green color. Its formation can be classified as amorphous, botryoidal and globular. Its name