Opal var. hyalite CRAZY FLUORESCENCE
As recorded:
Opal Mesa, Zacatecas, Mexico
62mm x 45mm x 40mm
Specimen of transparent botryoidal chalcedony var. hyalite on matrix, with unique daylight (daylight, LED and neon light) fluorescence in intense green color. This piece have the strongest daylight fluorescence possible from the find! In artificial light (incandescent) hyalite became almost colorless, and in UV light it is crazy neon-green. Fluorescence is caused by small uranium content. This type of hyalites are known from this only locality in the world.;
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