



Willemite is a rare mineral that glows bright green under ultraviolet light. It is often found in zinc deposits and is prized by collectors for its unique fluorescence.
The Willemite is typically found as green, yellow-green, or reddish-brown crystals, though it can also be white or colorless. It often has a greasy or glassy sheen. Its varying colors and forms can make it look quite different depending on where it's found.




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It often forms from hot mineral-rich water cooling deep inside the Earth.
It's one of the first minerals ever discovered to glow under ultraviolet light!
While often tiny, massive willemite crystals as long as your forearm have been found!
Willemite provides zinc, a metal used in batteries and to protect steel from rust!
Willemite has a unique crystal structure that makes it glow a vibrant green under ultraviolet light.
Willemite has a special crystal structure that allows it to generate a small electric charge when squeezed!
Los minerales fluorescentes emiten luz visible cuando se exponen a luz ultravioleta u otra radiación no visible, un fenómeno llamado fluorescencia.
Una gema o piedra preciosa es un trozo de cristal mineral que, cuando se corta y pule, se utiliza para hacer joyas u otros adornos.
Cristalino describe un mineral o roca compuesto de cristales, que a menudo exhibe una estructura atómica regular y una forma externa geométrica.
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Peligro
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Willemite is a mineral and should not be ingested. Always handle minerals carefully to avoid accidental cuts.
white, yellow-green, green, reddish-brown, brown, grey, colorless
5.5
vitreous to resinous
4.1
hexagonal
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