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
Ай бұрын
If you're gonna wear masks could you add closed captions?
@msz51214
Жыл бұрын
these stones are really beautiful but what about land of rare stones i,e. Pakistan
@DocSpratley33
Жыл бұрын
Why the face muzzles?
@AnishMikeLancaster
Жыл бұрын
whats with the masks ?
@Mike-1000
Жыл бұрын
Covid
@johnrenaud690
Ай бұрын
Security blankets.
@mc129
Жыл бұрын
i stop the video, because they wear face mask, bye bye
@jeffreymonahan6826
10 ай бұрын
Don’t like the interviewer she strokes the ego and analyzes everything and it doesn’t bode well for KZitemrs trying to see what she sees
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