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Found in Brazil and Madagascar
the calcite fluoresces brightly and continues to glow with a soft phosphorescence even after the light source is removed
5” and weighs 27
even tone that captures the subtle beauty of Australia’s mineral landscapes
These specimens are typically found around Superior
Druzy Uranium Chalcedony Agate | Arizona smokey quartz Found in Brazil and MadagascarThis unique specimen of chalcedony agate contains trace amounts of uranium which glows vibrant bright green under UV light. These specimens are highly sought after by collectors for their unique combination of aesthetic beauty and scientific, "radioactive" properties. While the uranium content causes a striking glow, these specimens are generally considered safe to handle because the radioactivity is trapped within the silica structure. This item is
US$ 55.22
US$ 14.95
US$ 32.95
US$ 20.00
