What kind of mineral is this ?

[Salvatore]

Was wondering if someone knew what kind of mineral or minerals this might be?

 

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[fuss]

hard to say unless you break it open, but possibly quartz in some form.

 

[Salvatore]

If it possible that it is quartzs would you know what type? It has cubic type small and large crystals.

 

[DDancer]

I'd have to take a chip off of those to say much, the first one looks to have some form of quartz in it and the second looks more like an igneous stone.