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Could this be natural silver?

Posted by Daniel jacobs  
Could this be natural silver?
June 11, 2012 12:15AM
This was recovered in Connecticut. The second picture is the backside, and I ran hot water over the back so you can see it better.

It is not attracted to a magnet.

It can scratch my fingernail.
It cannot scratch one of my forms of green calcite, it could scratch another form of calcite when pressed very hard.
It cannot scratch Fluorite.



Edited 1 time(s). Last edit at 06/11/2012 12:16AM by Daniel jacobs.
Attachments:
open | download - sil.jpg (73.8 KB)
open | download - silz.jpg (82.3 KB)
avatar Re: Could this be natural silver?
June 11, 2012 12:32AM
It might be silver. Where did you get it? Do a specific gravity on it and see how well it matches that of silver. See if it conducts electricity well.

Rock Currier
Crystals not pistols.
Re: Could this be natural silver?
June 11, 2012 12:36AM
I found it in Connecticut. I dont know the exact whereabouts. But most likely Portland.
Re: Could this be natural silver?
June 11, 2012 12:48AM
It weighs 2.2 grams, but I dont have all the resources to do a SG test
avatar Re: Could this be natural silver?
June 11, 2012 02:26AM
It definitely looks the part of silver, and according to the database, silver is reported from these five localities in Connecticut, so it is plausable. I would try to get a SG test as Rock suggested. Maybe take it to a local mineral club or university geology department to get their opinion on it as well.
Re: Could this be natural silver?
June 11, 2012 02:53AM
Maybe ill bring it by a pawn shop to see if they can do a silver chemical test for me for no charge.
Re: Could this be natural silver?
June 11, 2012 04:18AM
2.2 grams doesn't sound like much, but I'm not sure how much water it can displace. If you can find out that, let us know. Silver is heavy, so it should feel distinctly heavier in your hand than quartz or a dark rock it's size. Even impure, it should have an SG of 10-ish, way heavier than quartz' 2.6 or a dark rock, maybe 3...
Re: Could this be natural silver?
June 11, 2012 06:58AM
    
It appears very light for silver. 1 cm3 silver would weigh some 11 grams. Based on the photos, your piece appears to be not less than 1 cm3 in volume. Could it be some organic matter?

Olav
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