Why You Should Not Always Shine UV Light on Fluorite

Подписаться 309 тыс.

Просмотров 60 тыс.

50% 1

Contrary to popular belief, there is a reason that shining ultraviolet light on a fluorescent fluorite mineral specimen is not always a good idea. That is, some but not all fluorite specimens can somewhat quickly turn a shallower color or even turn colorless completely after exposure to prolonged UV light. #short #shorts #geology #fluorescent
If you would like to support this channel, consider using one of the following links:
(Patreon: / geologyhub )
(RU-vid membership: / @geologyhub )
(Gemstone & Mineral Etsy store: prospectingarizona.etsy.com)
(GeologyHub Merch Etsy store: geologyhub.etsy.com)
Google Earth imagery used in this video: ©Google & Data Providers
This video is protected under "fair use". If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at geologyhubyt@gmail.com and I will make the necessary changes.

Опубликовано:

10 июн 2023

Ссылка:

Скачать:

Готовим ссылку...

Добавить в:

Мой плейлист

Посмотреть позже

Комментарии : 58

@Leitis_Fella Год назад

This happens to Topaz as well. The orange color of Topaz is caused by electrons in the crystal lattice. Upon exposure to light, they will become excited, bounce around, and eventually leave the crystal.

@attemptedunkindness3632 Год назад

So THATS what killed my shiny pet rock. I thought I was underfeeding it.

@Celeste-in-Oz Год назад

This channel is so utterly pure in its nerd-vibe I absolutely love it!

@lindaj5492 Год назад

I think @ChrisVanderessen’s comment below might have out-nerded the channel’s author 😊

@Autistic_Artist Год назад

Wow I didn’t realize that. I’m a black light artist so I collect fluorescent crystals and minerals. I have a museum quality specimen that I display every event I work. I even tried to make my own pigments but unfortunately I realized that it would take more than a mortar and pestle to get fine enough but to get a good glow it would need unhealthy amounts of Uv. 365nm with a filter is the best long wave Uv for it. The 395nm gives off a lot of visible light and short wave is kinda dangerous to work with

@tomas10094 Год назад

there are some very expensive sieves you can use to isolate grains around that size but they are very expensive and as far as I know only come in sets of lots of sieves

@rorywest4937 Год назад

It would be cool to see a mosaic made of fluorescent stones, the pigment idea seems more difficult

@Autistic_Artist Год назад

@@rorywest4937 of course it’s going to be difficult but that’s the point. Th mosaic idea is definitely part of the equation as well as display cases/ frames that safely switch between different frequencies of blacklight, regular light and different combinations to show that all blacklights are not all created equal

@rorywest4937 Год назад

@@Autistic_Artist cool, I'm interested to see how it will turn out 👍

@13_cmi Год назад

I let a black light sit on a piece of basswood for way too long and it left its glow. Probably just destroyed the glows chemicals. If I get a good piece of black locust or honey locust I need to avoid putting it under uv rays for a week straight.

@Auti-Rex Год назад

I noticed this too with my fluorite collection, 2 of them were a very beautiful blue color, but now they have almost completely faded to a light blue-ish white. Thank you for the confirmation

@carolynnunes3922 Год назад

Thank you for that info! Now, I’m curious about the fact that some types of old glass turns lavender or even purple when exposed to UV light. A lot of old pocket watch crystals do this, too, developing s lavender hue

@spocksdaughter9641 Год назад

My father put old bottles on the roof hopi g them to turn purple. I undertood it was the magnisum in the formula but do not know for sure.

@CricketsBay Год назад

It is a photochemical reaction. The glass contains iron and manganese. Ultra-violet light causes electron-exchange between the manganese and iron ions. This changes the manganese and the glass to turns purple.

@carolynnunes3922 Год назад

@@CricketsBay Thank you!

@alink5918 Год назад

Aww😔 ok. That's so sad. Thanks for the heads up.

@ThomasEckhardt Год назад

Heating it up to about 100 centigrade has the same effect…

@alexdrockhound9497 Год назад

and sometimes with some fluorite it will cause a light emission too called thermoluminescence. But thermoluminescence can only happen to a fluorite specimen once.

@jonnymoka Год назад

Man you are quite a great example of Arizona Education ! Keep sharing

@jilllee1345 Год назад

This was very informative! Thanks!

@jayellevee Год назад

Wow I didn’t know that, thanks!!!

@lux.illuminaughty Год назад

Interesting photodegradation. I would never have thought this would happen. I really like your notation that Fluorite fluoresces...Fluorite...who knew, lol 😅

@johnyoung1128 Год назад

I once saw this done in an opal mine in Coober Pedy South Australia to make any opal close to the surface of the walls of the mine fluoresce, is this the same mechanism?

@alexdrockhound9497 Год назад

What he is talking about mostly in the video is the bleaching effect of UV light. but he does demonstrate fluorescence in the video as well. Fluorescence is caused by electron orbitals or hybrid electron orbitals being similar in potential energy to the energy of the wavelength of light shown on it, which causes electrons to change what orbital they are in and release a photon as a side effect of the process. All fluorescence works the same way, and can even occur with visible spectrum light such as green, or infrared light. it can also happen with xrays which is how a lot of lab equipment determines what elements in what percentages are in a tested sample.

@StuffandThings_ Год назад

@@alexdrockhound9497 Huh, I've never heard about infrared or visible light fluorescence before. Are there any minerals with this property?

@alexdrockhound9497 Год назад

@@StuffandThings_ ive got some calcite that fluoresces with a 532nm (green) laser.

@legoworks-cg5hk 8 месяцев назад

Also him: puts it in direct sunlight

@thiennguyen9747 Год назад

yes i washed my beautiful blue flourite away and i learnt a very memorable lesson, it took 2 days leaving it on the window sill

@karhukivi Год назад

My fluorite samples are on a display shelf with a UV light on almost every night. After ten years, there is no obvious change, they are still vividly fluorescent!

@healingv1sion Год назад

Man i love rocks and minerals gems and jewels

@maryssalynnemedley8871 Год назад

Bro I love you so much. You rock 😉

@RangerMcFriendly Год назад

Oh that’s why the typically green fluorite that is underneath the amethyst at the Grand Junction copper mine collecting area is turning white. It’s green fluorite topped with purple amethyst crystals. Some of mine have turned white in the Sun.

@gingertom56 2 месяца назад

Do you have a video of reradiation of minerals to get colour??

@1GotMyxomatosis 11 месяцев назад

I wasn't planning to but thanks for sharing mate

@TheVeganarchism Год назад

I was genuinely expecting you to say it would explode or become radioactive or something.

@ranieangelofelipe840 11 дней назад

I'm just here because of Dr. Stone

@gabet7333 17 дней назад

What light spectrum brings the colors back?

@kapitan517 11 месяцев назад

This must be true. I have watched this clip many times now, and the fluorite samples do indeed seem to lose a little more colour every time!

@Jameson1776 Год назад

Interesting.

@kathypaulson652 Год назад

Thank you....is this in Yooperlite 🤔

@leyvarecio3699 Год назад

You can make telescopes out of fluorite

@11OBlitzO11 10 месяцев назад

Does this color loss affect the color or intensity of fluorecence?

@caseywood9781 Год назад

Quadrahedral

@alexdrockhound9497 Год назад

thermoluminescent fluorite is even more interesting.

@wanderingvagrant1551 Год назад

The sun is a discoloring laser

@ccc822007 Год назад

Tells you not to shine UV light, Proceeds to show it in the sunlight.

@alexdrockhound9497 Год назад

not to shine UV light SOMETIMES.

@neilbain8736 Год назад

I keep wondering if when I see what I think is quartz, it's actually fluorite, or vice versa. Usually it's on a beach where I notice any.

@CricketsBay Год назад

Flourite is highly reactive to even the slightest hint of acidity, dissolves in water, and it and very soft compared to quartz. If it's on a beach, it's probably quartz.

@JeffDAPG Год назад

You do know that the sun actually does that right? A little flashlight is harmless compared to leaving them in the sun 😂

@stevenjenkins3882 4 месяца назад

The gas came out or bacteria

@foxmulder7616 10 месяцев назад

Then don't take it out at night!! ALL the street lights are not UV/black light now for ... some reason... take some out under the new black light street lights it will fluoresce!

@TheSpaceEnthusiast-vl6wx Год назад

Thanks. I was not aware of this before!

@humanehumanity Год назад

Unhealthy is fluorite

@Flaystray 11 месяцев назад

Why tf would you shine it on the rocks in the first place

@WestOfEarth Год назад

I thought you were going to say excessive UV light will cause some sort of harmful radiation effect. But instead your caution is that the mineral will lose its beauty.

@sumtimes6022 Год назад

I had a Jade ornament hanging from the rear view mirror for years. When I sold the car, I removed a pale piece of stone. A few summers in the Southwest sun sucked the green right out of it. 🫤