Bornite

[minermatt]

This was another rock of some others I had that could possibly be Bornite. I uploaded this picture from my iphone. No flash and low level lighting was sufficient.

 

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[rodoconnor]

Matt, post it under the Rocks and Gems also. You'll get some knowledgeble folks looking at your post

 

[DDancer]

Does not appear to be Bornite also called peacock copper or peacock pyrite. What your picture suggests is pyrite in a quartzite host rock. Pretty stuff for the collection. As to how it relates to prospecting pyrites can contain gold and are often found in the same areas where gold is.