Hyalite Opal Specimen - Mexico Grootfontein 5cm x 27cm

5cm x 27cm

Discover the stunning beauty of Pyrite with Calcite from Mexico

This stunning Rainbow Obsidian Free Form is a mesmerizing addition to any collection

This optical phenomenon creates a silvery-blue or greenish sheen within the stone

Note: Some photos of this specimen have a light shining on them

Hyalite Opal Specimen - Mexico Grootfontein 5cm x 27cmHyalite 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