Hyalite Opal from Zacatecas Mexico tn These is also a unique

These is also a unique little clear crystal that grew on the side of this large crystal as well

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

Weight: 299g

Measurement: 52mm x 35mm x 28mm

Measurement: 72mm x 49mm x 18mm

Hyalite Opal from Zacatecas Mexico tn These is also a uniqueThis 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