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Author Topic: what are these rocks?  (Read 4379 times)

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Offline john01

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what are these rocks?
« on: July 14, 2009, 03:39:18 PM »
I don't know if these pictures are going to do any justice....but I have these two rocks that I have found a couple
of years ago, during an outing. I have kept it in my garage, now I'm curious to know what it is. You probably can't
identify the colours in the picture but I can tell you there is blue, green yellow and gold or brass colours in a heavy dark
rock. It would be muchly appreciated if you could give me some clues as to what I have.... they make great conversational
pieces, although I can't tell anyone what these rocks are...

Offline d313373r

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Re: what are these rocks?
« Reply #1 on: July 14, 2009, 10:35:47 PM »
i dont have a whole lot of minerology knowledge but my guess is that its chalcopyrite... here is a wikipedia link for you  ;) chalcopyrite wikipedia

Offline GollyMrScience

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Re: what are these rocks?
« Reply #2 on: July 15, 2009, 08:01:43 AM »
Chalco would be my guess too. That being said the sulphides are often found together so you could have a mix of the sulphides but that goldy look with the peacock tarnish is a pretty good sign of chalco.
What the heck - lets just keep mixin' stuff together till it blows up or smells REALLY bad!

Offline john01

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Re: what are these rocks?
« Reply #3 on: July 15, 2009, 03:45:13 PM »
I would have to agree after looking at the link you sent me.....thanks guys

Offline daemdaem

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Re: what are these rocks?
« Reply #4 on: July 15, 2009, 09:46:35 PM »
John, Looks like C.pyrite to me. If your near Prince George I have a quality mineralogical microscope  and you can have a real good look Allan

Offline PlacerPal

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Re: what are these rocks?
« Reply #5 on: July 16, 2009, 12:10:07 AM »
Very nice samples John.

They look like what our Geologists called Disseminated Chalcopyrite.
The blue areas look like Copper Sulphate.

This is the type of high grade Chalcopyrite that I used to mine from underground.
No oxidation with some gold and silver in the ore that paid all the overhead costs for the mine:
http://geology.com/minerals/photos/chalcopyrite-auriferous-278.jpg

Your rock samples look like ore grade.


Offline Yukon Digger

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Re: what are these rocks?
« Reply #6 on: July 16, 2009, 07:50:45 AM »
Chalco for sure with some bornite here and there maybe. Nice rocks. I'd stake the ground if it open or prospect the area if they are float samples.

Offline john01

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Re: what are these rocks?
« Reply #7 on: July 16, 2009, 05:26:21 PM »
actually i think if i remember i found them in kitsilano when i was grabbing some rocks to throw under my trailer tires in a back lane.....

Offline PlacerPal

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Re: what are these rocks?
« Reply #8 on: July 16, 2009, 05:52:26 PM »
actually i think if i remember i found them in kitsilano when i was grabbing some rocks to throw under my trailer tires in a back lane.....

Yeah, sure, yabetcha! And "outing" to the Kitsilano back lane.  lol!!!@*

Hope those rock samples "pan out" for you!  <-yahoo_>

honeyman76

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Re: what are these rocks?
« Reply #9 on: July 16, 2009, 06:46:33 PM »
After reading all the posts, is the conclusion that there is gold showing in the samples?

 


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