Natural silver nuggets platinum or meteorites? What do you think?

r4real

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Feb 8, 2013
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winnipeg
Hello can anyone tell me what this is? If I was to breàk it in half it is 100% the shinest metal I've ever seen. The outside Is covered in a thick calcite type crust. Thanks those are 2 different nuggets
 

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Yggdrasil

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I'm not sure, but if it breaks it will be some kind of mineral.
It resembles among other things arsenic mineral, be careful.
Where in the world did it originate?
Not precisely.
What is its specific gravity and so on.
Not enough information to determine more.
Per-Ove
 

Magneticenergy

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Jun 19, 2021
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Whats it do when a neodymium magnet is involved? But if it breaks apart like you said then most likely not a meteorite. Perhaps mica schist? Thats my guess. Especially the middle one.
 

acpeacemaker

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Feb 8, 2011
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Colorado
Arsenic. Will have a slow state of oxidation appearing white. Which explains why it's shiny inside when broke open.

Andrew
 

John1122

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Aug 4, 2016
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IDK looks like Robot Poo. Probably from a Sony AIBO.
Kinda Looks like a dental almalgum. Lump
 

notehunter494

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Dec 26, 2020
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Antimony? Is the break a radial pattern of bright metal? Looks a lot like a specimen I used to have.
 

galenrog

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Jan 16, 2010
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Oregon
Based on the images provided, I have to agree with Andrew. Without proper testing, I lean toward arsenic. Common. Often mistaken for other minerals. Will do great damage when handled improperly.

Time for more coffee.
 
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