Natural copper

[racer117]

Found this on vacation , around Ocotillo in So.Cal. I know the streak is copper ,but being from the midwest ,I was curious as to what rock or mineral this is in .

 

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[Eu_citzen]

Granitoid?

 

[MrLee]

Granite with pyrite? Pyrite can fool you often hence the name fool's gold.

Since you were in Ocotillo, did you pick up any geodes? You were very close to tourmaline country, about 30miles into the mountains.

 

[racer117]

Granite with pyrite? Pyrite can fool you often hence the name fool's gold.

Since you were in Ocotillo, did you pick up any geodes? You were very close to tourmaline country, about 30miles into the mountains.

My sis lives in San Diego ,and knew of a spot they call shell canyon. Im sure thats copper . Did not see anything in the way of geodes ,but then again ,I really did not think to look..lol. I was too excited about all the shell and clam fossils.

 

[Bajahunter]

What do you race?
Will you go to the IV 250?

 

[Turkısh Man]

Sylvanite,a gold and silver telluride,on quartzite.

 

[racer117]

What do you race?
Will you go to the IV 250?

I used to race dirt hobby stocks in Indiana . Not sure what the iv 250 is.

 

[Bajahunter]

The SCORE Imperial Valley 250.
http://score-international.com/
My friend has restored a Mickey Thompson race car and will race it there.
http://www.racers-only.com/Challenger-IV-Resto.html

 

[transcendental]

Copper will oxidize green, even copper ores that haven't been exposed to air or water will be green, probably a pyrite, zinc, or lead all retain that metallic luster long after exposure to elements

 

[DDancer]

There is greening around the metallic part of the specimen so I would infer that a copper compound is involved. As to the host rock it appears to be granite. While uncommon its not rare to find metals in granites. Nice find

 

[GatorBoy]

Copper will oxidize green, even copper ores that haven't been exposed to air or water will be green, probably a pyrite, zinc, or lead all retain that metallic luster long after exposure to elements

He is correct also..mica is common in granite it could be that and you have just happened to reflect the light off of it into the camera