Hyalite Opal Specimen -Mexico Polarity there are small areas of

there are small areas of red UV reaction with Shortwave UV only

In regular daylight

a fluorescent mineral specimen from Mexico

Weight: 603g / 1

They are pretty dense and definitely interesting in both appearance and feel

Hyalite Opal Specimen -Mexico Polarity there are small areas ofHyalite Opal on agate matrix 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