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Gold or Pyrite ?

by Rose
(Redding,California,USA )

Pic #2

Pic #2

I was given a bunch of rock and it looks like it may have gold in it but I would like to find out for sure. The rock is really heavy and does not have any magnetic pull. I am posting four pictures of it. The rock also has what looks like pyrite on one side of it.

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Oct 19, 2020
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by: Douglas

Rose,

This looks like it is a very thin layer. The characteristic you can check for is hardness. Pyrite is much harder than gold. Pyrite is 6-7 and gold is 2-3.

Learn about doing a scratch test for hardness here:

https://www.rocksandminerals4u.com/properties_of_minerals.html

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