ID help?

[Dlackie]

Any info is appreciated! Gonna go to library on Monday as I have a lot of specimens to try and identify.

 

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[Tuberale]

Your last photo looks like a salt of uranium. The black spots on the yellow also look like a form of uranium.

 

[Dlackie]

Thank you!

 

[fuss]

where are they from? last one looks more like calcite on limestone