Hyalite Opal Specimen - Mexico Grootfontein Note: Some photos of this

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

chalcedony

85 in / 45-47mm

5in deep x 1

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

Hyalite Opal Specimen - Mexico Grootfontein Note: Some photos of thisHyalite 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