Interesting Hyalite Opal from Zacatecas, Mexico aquamarine The size and quality is

The size and quality is the best that I have seen available

Weight: 132g

Measurements: 58mm x 55mm x 48mm

it is still a lovely piece from this locality in China

Interesting Hyalite Opal from Zacatecas, Mexico aquamarine The size and quality isThis 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