Hyalite Opal from Zacatecas Mexico tn We consider this piece to

We consider this piece to be a Large Cabinet Specimen (LGC)

Measurement: 72mm x 49mm x 18mm

Weight: 299g

Measurement: 52mm x 35mm x 28mm

Weight: 924g

Hyalite Opal from Zacatecas Mexico tn We consider this piece toThis 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