Black chunky rock with crystal globs

[Ogremom]

Hi again! Not sure where to start with this one. This rock looks totally different on either side. Big black chunks with clusters of crystals and gold flecks. The other side is smoother in texture white grey mini sparkles. ?? What the heck?

 

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[4x4x4]

It appears to be a Pyrite.....others more knowledgeable will know.....it's cool though !
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