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Fluorescent Minerals by Species

Mar 21, 2025

Halite typically fluoresces bright orange under shortwave UV light. Might also fluoresce...

Mar 17, 2025

HardystoniteSC1238 – Cuspidine and Hardystonite from the Franklin Mine, NJ, USAFluorescence under...

Mar 19, 2025

HokkaidoideSC1207 – Hokkaidoite from the Shikaribetsu Lake, Hokkaidō Prefecture, JapanFluorescence...

Jul 11, 2026

HoltiteFluorescence under midwave and shortwave UV light.Normal light.Fluorescent holtite in my...

Nov 21, 2024

Hyalite, the "bubbly" variety of opal. Typical fluorescence us bright green due to uranyl UO22+...

Nov 24, 2024

Hydrozincite is secondary zinc mineral. Usually powdery white, it fluoresces bright light blue...

Feb 1, 2025

Apophyllite on matrix, possibly two generations: a larger triangular crystal (cleaved or broken)...

Feb 1, 2025

Very nice sample of hokkaidoide grains embedded in opal. Under longwave UV light the hokkaidoide...

Feb 1, 2025

Halite & Gypsum var selenite. Nice association, in particular under UV light: the halite...

Nov 2, 2024

Yellow meliphanite on matrix. Unfortunately, this does not show the typical fluorescence for...

Nov 2, 2024

Yellow carpathite crystals coated by quartz. Quite nice how some crystals are fully exposed, some...

Nov 2, 2024

Tenebrescent tugtupite: normally pink, it changes color to a darker red upon exposure to UV light....