Hyalite Opal Specimen -Mexico clear quartz its classic skull shape and

its classic skull shape and striking blue hue make it a lovely

In normal lighting

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Hyalite Opal Specimen -Mexico clear quartz its classic skull shape 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