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Post by mitch on Feb 17, 2011 22:10:15 GMT -5
I have been prospecting for gold lately and happened across this nice quartz vein close to my house. After a good soaking in iron out this green stuff was all over almost all of the quartz specimens. Any clue as to what this is. Copper?  |
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Post by Ryan on Feb 18, 2011 3:29:22 GMT -5
Mitch, you got a closer pic? Or can you describe the shape? Little cubish or flat square looking xls could be torbernite, a uranium mineral. Looks like this:  You say copper, does it look metallic or have a crystal shape? |
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Post by rickb29212 on Feb 18, 2011 20:00:20 GMT -5
My guess would be torbernite. Rick B
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Post by Ryan on Feb 19, 2011 1:47:19 GMT -5
Does anyone know if torbernite would survive a super iron out bath? I killed a uranophane specimin that way once. Now its just feldspar and theres a three eyed fish swimming in a local river  |
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Post by mitch on Feb 19, 2011 18:54:17 GMT -5
Under magnification I can not see any crystal structure at all. I soaked them for a day in water after their iron out bath and the green is less pronounced. Don't know what it was. Some of the pieces have pyrite and garnet in them. I have no clue what the green was.
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Post by chromite on Feb 22, 2011 12:21:46 GMT -5
Does anyone know if torbernite would survive a super iron out bath? I killed a uranophane specimin that way once. Now its just feldspar and theres a three eyed fish swimming in a local river Everyone needs a "Blinky." |
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Post by gsellis on Feb 22, 2011 20:06:26 GMT -5
Just saying because the pics are hard... could it be lichen or algae? Not sure the rest of the above would bleach it. Try bleach for an hour just to rule it out? Or does a scaler remove it? ID by pic on the internet can be way off |
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Post by crystalchemy on Mar 15, 2011 18:58:11 GMT -5
Ha! algae. beat me to it.
or maybe chlorite.
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