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Removing Quartz From Gold In Quartz Specimens

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Post  Goldfinger123 Tue Aug 16, 2022 7:34 am

Hello

I have some gold in quartz specimens. I'm trying to find a way to remove the quartz from the gold without using hydrofluoric acid.

Does anyone have some suggestions?

Any help would be appreciated.

Thanks

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Post  moredeep Tue Aug 16, 2022 3:17 pm

Welcome to the forum goldfinger123,you obviously want to keep the gold intact??
If not and it's a small speci I usually wrap mine in a bit of cloth and give it a gentle tap or three with a mash hammer.
Most of the time the gold stays intact with minimal damage.
And if you don't care about it smash/dolly and pan it,good luck.


cheers   moredeep
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Post  geof_junk Tue Aug 16, 2022 5:35 pm

Try heating it with a small propane torch as hot as you can without melting the gold and drop in Ice Cold water, repeat a few times. The old-timer did this before they dollied the specimen. Do a search for ammonium bifluoride Infinitely more safe than HF.
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