Cleaning Gold Specimens, Best Acid? Best Base?

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Full Video Here: https://youtu.be/6NBRmVfL6NY

Running an experiment to find the best method for cleaning gold specimens. Full video coming soon!
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31 thoughts on “Cleaning Gold Specimens, Best Acid? Best Base?”

  3. I watch STREETIPS all of the time. He’s really at the top of chemical reffing precious metals. That said, it’s my personal opinion that MBMMLLC is the way to go. Simpler, less expensive, environmentally safer and ‘cleaner’. The end product of purity of the two processes are only small percentages difference. Results are best,,,, crush and refine with smelting and cuppeling. Then if lacking purity
. Purify the much smaller sample with chemicals. Each has a valid place of use.

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  10. Jason,
    Be very careful if you treat ore with acids.
    You can create nasty stuff. Some ores contain arsenic. You could get very toxic salts and fumes.
    A combination of hydrochloric acid and bleach, can dissolve the gold and other precious metals. You should filter and collect all liquids and put in some copper. This will precipitate out any precious metals from the solution.

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  11. I have gotten good results with Muriatic/ Hydrochloric , then neutralized with Bicarbonate soda but I hope to find a better method in this video.

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  18. Hello congratulations for passing on knowledeg, l need yuor guidance to separete some nuggets of native copper q with some presence of gold, already send it for analysis and was contacted how should l make the separation? And Walt material can l use ?

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  22. Love your videos man, read some comments here, please do not go near hydrofluoric acid. Incredibly dangerous and fatal. It absorbs into the skin instantly but you dont feel much pain at first and slowly turns your bones to mush. If you want to get a better clean just try slightly heating any of the acids, the heat will increase the strength of most acids. I recommend you do some research on the one you pick and make sure it cant melt gold when heated, or youll have to extract the gold from the acid lol

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  23. What are the results?
    I love dropping this story in a geologists ear.
    An explorer goes to South America in the early 20th Century. Sees a flock of birds building nests on cliffs. The birds are leaving the area and coming back with the leafs of a plant in their beaks and and flying in front of the granite cliff, rubbing the stone with the leaf, then picking at the stone, they form a hole to build their nest.
    Years later the man’s son reads through his notes and what’s to find those birds and leaves. He goes to South America on the quest, but but is fruitless this first except for just they had to leave. They noticed all their metal part below their knees were partially or fully missing through evaporation it seemed. They had walked through a batch of the plant on the last day and did know it.
    This is how INCO separates their metals from. The stone now. A mixture of 3 Acids will melt granite.
    Cheers Brother.

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  24. This is additional to my first comment, I need your opinion on this, it would be nice if you discussed this somewhere because it is real odd to me.
    I had a chance to drive over their tailings pile at the factory. It’s a factory because they use chemicals instead of machinery, like a Mill.
    The tailing are without grain. Black granite with no grain, because after they recover their acids the granite is a solid mass of slug. they crush it to about three inch, but it looks more like large shards of glass.
    Now the odd part. In Ontario, near the neck of Lake Superior there is a large gravel pit. It was developed about 25 years ago. It produces red granite gravel that has no grain. They have to blast to extract it, because there is no grain to fracture. And when they crush it, it comes as 3/4” shards of glass, in the beautiful red pebbly look to it.
    Also that pit of about 5 miles from the Historic ‘Ripple Rock’, Which I think are tied to the mystery.
    Can’t resist.
    About an hour away as the crow flies is the upper edge of the lower peninsula of Michigan, which will show Petoski stones. These are corral which has have its holes packed with sand to the point all is stone. Quite nice, but proves that that land mass is from the Caribbean, or reef area.

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  25. The best acid for specimen gold work is Hydrofluoric Acid, that’s what Wayne Leicht of Kristalle in Laguna Beach, CA used on all those mega priced crystallized gold on quartz specimens from the Eagles Nest and Oriental mines in Calif. I helped out in their shop for a spell in the early 90’s. Lois Nelson has continued Wayne’s work at Kristalle these days and is still working with the acid on Oriental Mine pieces.

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