Daylight Fluorescent Hyalite Opal Specimen fluorite but underneath is a layer

but underneath is a layer of green

Guandong Province

Locality: Huaran

smokey quartz

Deep colored amethyst crystals encrust the inside of this polished amethyst sphere

Daylight Fluorescent Hyalite Opal Specimen fluorite but underneath is a layerThis hyalite opal specimen not only will glow under an artificial UV lighting source, this particular source of hyalite opal will actually fluoresce in daylight, too! That is what makes this source(Zacatecas, Mexico) so unique. It looks best in diffused daylight, right outside of direct sunlight and it will have subtle green glow, while in indoor home lighting, much of this opal is almost colorless. The intensity of daylight fluorescence will vary