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Help with pyrite - Suspecting fake
  
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Omega111




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PostPosted: Dec 02, 2017 00:49    Post subject: Help with pyrite - Suspecting fake  

Hello!

I have recently purchased a pyrite. However, upon inspection it seems like the crystals are octahedral, and all the crystals seems to be roughly of the same size. I tried washing it but it has not released any glitter or shiny powder. Nothing strange washed off the stone.

I have a trusted pyrite sample I compared it to - The crystals seem to be more irregular and way smaller. However the non shining bits are both the same shade of grey/brownish

Can anyone shed some light on this? I tried looking for some articles on fake pyrite, but all I found were articles describing how to distinguish between gold and pyrite. Anyone has a good method to recognize a false pyrite?

Thanks!



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Matt_Zukowski
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PostPosted: Dec 02, 2017 02:00    Post subject: Re: Help with pyrite - Suspecting fake  

I am not sure i understand your question. First, assuming the picture you posted is of the suspected fake, there is nothing about the picture that looks fake to me. A real pyrite specimen can have equally-sized octahedral crystals, and different pyrite specimens can have different crystal colors, regularity, and size.

This is not to say that your specimen is real or fake - one can't make that determination based on a picture and your description.

If I remained concerned about whether the specimen is fake, I would soak it overnight in an organic solvent like acetone to see if any glue gets dissolved.
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Volkmar Stingl




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PostPosted: Dec 02, 2017 02:24    Post subject: Re: Help with pyrite - Suspecting fake  

Hello! I have a similar piece from Peru. No fake. Pyrite is so common (and mostly cheap) that nobody would try to fake this mineral! At least I have never heard of pyrite fakes of this kind. But who knows?...
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Montanpark




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PostPosted: Dec 02, 2017 05:03    Post subject: Re: Help with pyrite - Suspecting fake  

Hi,
Your specimen looks pretty much like a Peruvian pyrite (as Volkmar said). Octahedral pyrite is quite common (although cubes are more abundant). I can see nothing that would suggest a fake. To learn about crystal forms of pyrite you may check the mindat page:
https://www.mindat.org/min-3314.html

Cheers,
Roger
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Tobi




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PostPosted: Dec 02, 2017 05:10    Post subject: Re: Help with pyrite - Suspecting fake  

As the others said: This is a typical specimen of Pyrite from Peru, most likely from Huanzala Mine. A very common material, especially in such small crystals, so for sure no fake.
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Peter Lemkin




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PostPosted: Dec 02, 2017 05:33    Post subject: Re: Help with pyrite - Suspecting fake  

Looks real to me too. You must have seen some cubic habit pyrite, or some other form, and expected that. As mentioned above, pyrite has MANY habits and crystal forms - this is one of them.
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alfredo
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PostPosted: Dec 02, 2017 05:36    Post subject: Re: Help with pyrite - Suspecting fake  

Plenty of pyrites just like this from Bolivia too, and probably elsewhere as well, so I wouldn't assume it was Huanzala.
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