Flourescence Display - Tucson Gem, Mineral and Fossil Showcase

A special display at the Tucson Convention Center was this display of flourescent minerals. It was inside a darkened enclosure illuminated with Ultraviolet light.
geology.com/articles/fluorescent-minerals/
"One of the most spectacular museum exhibits is a dark room filled with fluorescent rocks and minerals that are illuminated with ultraviolet light. They glow with an amazing array of vibrant colors - in sharp contrast to the color of the rocks under conditions of normal illumination. The ultraviolet light activates these minerals and causes them to temporarily emit visible light of various colors. This light emission is known as "fluorescence."
"All minerals have the ability to reflect light. That is what makes them visible to the human eye. Some minerals have an interesting physical property known as "fluorescence." These minerals have the ability to temporarily absorb a small amount of light and an instant later release a small amount of light of a different wavelength. This change in wavelength causes a temporary color change of the mineral in the eye of a human observer."

On a personal note. My daughter is interested in gems, minerals, rocks, and stones. We took a daytrip to Tucson. It was our first time to the shows. There are actually something like 3 dozen shows around Tucson. We went to the Tucson Convention Center for about 3 hours and then to the Kino Sports Complex for about 1.5 hours. We had hoped to get to the 22nd St show and the GIGM Show on W. Starr Pass but did not have time. I wish I had bought my tickets in advance, it would have saved about 30-40 minutes of waiting in line at the Convention Center. I'm glad I brought a Circular Polarizer to cut some of the glare of the glass exhibit cases.

www.visittucson.org/tucson-gem-mineral-fossil-showcase/
"Every year the world-renowned Tucson Gem, Mineral & Fossil Showcase is like a time portal, a trip around the world, and a treasure hunt all rolled into one. Every winter, more than 65,000 guests from around the globe descend upon Tucson, AZ, to buy, sell, trade, and bear witness to rare and enchanting gems, minerals, and fossils at more than 40 gem show locations across the city. If you're planning a winter visit to Tucson, you won't want to miss this three-week-long event.
"Whether you’re looking for a $5 shimmering crystal necklace or a show-stopping $200,000 crystallized rock from an exotic location, the Tucson Gem, Mineral, & Fossil Shows have something for everyone.

www.visittucson.org/blog/post/gems-and-minerals/
www.tgms.org/show

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Taken in: United States / Arizona / Arizona Trailer Court (show map)

Taken on: February 10, 2024

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Tucson Gem and Mineral Show

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Tucson Rock Show

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Sets appears in: • My Most Interestingness • Tucson Gem & Mineral Show 2024

Groups appears in: • !Catchy Colors • Minerals and rocks and fossils more » • Arizona Wonders (up to 3 in a row) • Arizona Photographers Group • Colors! • Color Your World • Earth Science Teaching Resource • Rocks-Fossils-Minerals • Minerals, Rocks, and Gems • Rocks, gems, pebbles, & stones • Rock, Mineral,Gems Hobbist • Color my world! • gemstone mineral specimens « less

Camera: Sony ILCE-7M4, f/5.0, 1/10 sec, 35mm, ISO 12800 (more info) (hide info)

Camera:	Sony ILCE-7M4
Lens:	FE 24-240mm F3.5-6.3 OSS
Aperture:	f/5.0
Exposure Time:	0.1 sec (1/10)
Focal Length:	35mm
ISO:	12800
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Flash:	Off, Did not fire
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Adobe Photoshop Lightroom Classic 13.3.1 (Windows)
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