Hyalite

Hyalite, the “bubbly” variety of opal.

Typical fluorescence us bright green due to uranyl UO₂²⁺ ion activator.

Fluorescence under shortwave UV light.

Normal light.

Fluorescent hyalite in my collection:

Feb 24, 2021

Green fluorescent hyalite on basalt matrix. The best fluorescence is under shortwave UV light,...

BaryteSC1112 – Baryte from the Meikle Mine, Nevada, USAFluorescence under longwave UV light.Normal...

Calcite is, perhaps, one of the most colorful mineral under UV light. It can fluoresce virtually...

Carpathite, also known as Karpatite, is one of the few organic minerals. It is chemically...

Typically fluoresces green under midwave UV light. Most samples come from Charcas in San Luis...

Fluorescence under fullwave: shortwave plus midwave plus longwave UV light.Normal...

Dolomite, typically fluorescent white under longwave UV light.SC342 – Sphalerite & Dolomite from...

FluoboriteSC858 – Fluoborite from the Sterling Mine, Ogdensburg, New Jersey, USAFluorescence under...

Fluorapatite, the most common mineral generally referred as "apatite". Yellow fluorescence under...

Gypsum and his crystal clear variety selenite.Fluorescence under longwave UV light.Normal...

GlauberiteSC1116 – Glauberite from the Salton Sea, California, USAFluorescence under shortwave UV...