What's Hot In Tucson: 2022 - Part 2 - Mineral City

[@Muonium1]

1:30:00 YUUUSSSSSS!!!!! Amazing BaSo4 fluorescence! Phosphorescence not due to uranyl ion though since it doesn't form an excited triplet state but instead from trapped organics. 100X more of this UV plz!! Should have checked out the huge fluorite too!!

[@johnrenaud690]

If you're gonna wear masks could you add closed captions?

[@msz51214]

these stones are really beautiful but what about land of rare stones i,e. Pakistan

[@DocSpratley33]

Why the face muzzles?

[@AnishMikeLancaster]

whats with the masks ?

[@Mike-1000]

Covid

[@johnrenaud690]

Security blankets.

[@mc129]

i stop the video, because they wear face mask, bye bye

[@jeffreymonahan6826]

Don’t like the interviewer she strokes the ego and analyzes everything and it doesn’t bode well for KZbinrs trying to see what she sees