Hyalite Opal Specimen -Mexico Polarity They are pretty dense and

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

and craft projects

An ideal choice for geology and crystal collectors

Weight: 603g / 1

Hyalite Opal Specimen -Mexico Polarity They are pretty dense andHyalite 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