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SC447 - Smithsonite


Locality: Buena Tierra Mine, Francisco Portillo, West Camp, Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico (MINDAT)
Size: 8 x 6 x 2 cm - Cabinet (6-10 cm)
Weight: 115 g
minID: TYP-EPQ

Botryoidal smithsonite. Under shortwave UV light the outer layer fluoresces blue, while the inside ones fluoresce red. The damage in the bottom right corner exposes the inner layers, creating a nice red/blue contrast. Under longwave UV light the fluorescence is uniform orange, while with a 405nm blue laser the fluorescence color shifts to a deeper red. The first set of pictures show the main botryoidal face, while the second set of images show the layers.

Left: Fluorescence under 254nm UVC (shortwave) Hg light. Right: normal light.
Left: Fluorescence under 365nm UVA (longwave) LED. Right: normal light.
Left: Fluorescence under 254nm UVC (shortwave) Hg light. Right: normal light.
Left: Fluorescence under 365nm UVA (longwave) LED. Right: normal light.
Last update: 08 November 2021