Rock Identification

[FtHoodfister]

I found this while checking out an abandoned mine. I have never found one before and was wondering if anyone knows the name. Thank you

 

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[old digger]

Welcome to tnet!

Your item looks like gypsum.

 

[Eu_citzen]

I'm thinking we'd need better close-up images. (due to the tiny crystals)
Could be several things, including tiny quartz crystals.