Anyone know what kind of rock/mineral this is?

[Bigmacjones]

 

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[Red-Coat]

Welcome to Tnet.

It's not clear what type of illumination you're using to show those different colourations and you haven't said where you found this... but if I was looking at a mineral with a cubic crystal habit which had had a predominantly purple colour with admixture of green and russet hues, I would be thinking 'fluorite' as the predominant mineral.

 

[Digger RJ]

Nice!!! Congrats!!!

 

[Kray Gelder]

Look up Peacock Ore - Chalcopyrite.

 

[Red-Coat]

Look up Peacock Ore - Chalcopyrite.

Good thought. That could have a cubic crystal habit and with those colours. It's difficult to be sure if it does or doesn't have translucency without some more information from the OP about how the pictures were taken.

 

[blauer]

Bolite?