Hyalite Opal Fluorescent Mineral Heulandite Measurement: 70mm x 57mm x

Measurement: 70mm x 57mm x 47mm

We consider this piece to be a Miniature (MIN) mineral specimen

it has something neat happening

This tourmaline has a lovely blue/green color and is a nice sized crystal in the white quartz

Hyalite Opal Fluorescent Mineral Heulandite Measurement: 70mm x 57mm xThis 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