Glow Opal Zacatecas Mexico arkansas The cavansite on this specimen

The cavansite on this specimen have a beautiful gemmy blue color with a couple accenting stilbite crystals

so we recommend a clear jar or dome filled with water

Weight: 29

What this means is that these specimens are slightly radioactive

This is an amazing and brilliant blue polished labradorite specimen

Glow Opal Zacatecas Mexico arkansas The cavansite on this specimenThis 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