Rock Id help

[maccounty]

Got these at a flea market, need help identifying. I know the bottom ones are quartz, I was wondering more about the first four or five. Thanks for looking.

 

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[maccounty]

The third picture those crystals are purplish red.

 

[maccounty]

No one? Anyone know a good Internet site with good Info?

 

[Kray Gelder]

Good looking specimens, but need sharper, closer shots to ID.

 

[DDancer]

As Kray suggests closer sharper pictures will help. My opinion with what I can see are that the first 5 pictures appear to be Dolomite, the light colored mineral, with Sphalerite, the darker mineral. And the last three are quartz crystals. Good sites are Minerals.net and Mine Dat for help with identification and localities.