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This is the article you need: How to Remove Candle Wax Stains from Stone. The dark stain you are describing is prrobably where some wax soaked into the stone (as opposed to a dye stain from the candle dye). For that, start with step 2. Of course, be sure to test any chemical in a small hidden area first to loook for any adverse reaction. Good luck!

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To test the solution for remaining gold, first immerse the end of the stirring rod in the acid. Remove it and touch that end to a paper towel to make a wet spot. Put a drop of gold detection liquid on the wet spot on the paper towel. If any gold is still dissolved in the acid, the wet spot will turn a …

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Jan 27, 2016· How to Recover Gold with A/P Acid peroxide method for gold fingers and gold plated boards easily. - Duration: 13:26. Moose Scrapper 865,265 views

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One of the easiest and most inexpensive ways to separate gold from dirt is through panning. This age-old technique has been around since the Gold Rush, and makes a great outdoor hobby that can pay for itself. With a minimum of equipment, the beginner gold prospector can separate gold …

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Unlike alluvial gold, which is found as very small flakes on riverbanks, gold-bearing rocks have to be dug out of the ground. We're after pure gold, but rock that contains gold also includes lots ...

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Sep 02, 2019· How to Clean Quartz Crystals. Collecting quartz crystals can be a fun hobby for any gem enthusiast. However, they often come covered in various other minerals that stain the beauty of the crystals. You can typically clean these stains off...

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These three chemical methods will remove "iron stains": (hematite & goethite). I should state that at this point that it is almost impossible to remove well-developed crystals of hematite and goethite with the chemicals discussed below as these chemicals are effectively only in removing the fine-grained equivalents of these minerals.

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Apr 02, 2020· How to Clean Gold Jewelry. A jewelry cleaning solution specifically created for gold is a safe and effective way to keep your gold in tip-top shape. Just make sure it indicates gold as an intended use! Without any commercial products, you can clean your gold jewelry at …

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You can't actually melt gold from rocks; if you hold a rock over a flame hot enough to melt gold and expect the gold to dribble out, you're going to be disappointed. The process of extracting gold from ore is a multistep one, and historically it has involved the use of some dangerous chemicals…

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Once again, marble is a very delicate stone and too much cleaning and excessive use of chemicals can damage it. STEP 8: Apply a Marble Polish to the Headstone To restore the marble's shine, apply a marble polish to the surface of the headstone, following the …

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Mar 07, 2013· How to Remove Gold From Magnetite | . Obtain a sample of the residual sand and dirt from your gold pan after removing the majority of extraneous dirt and rock. …dirt and rocks.Gold dust is what … »More detailed

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Gold Recovery : 8 Steps (with Pictures) - Instructables

Apply all safety gear correctly before working with chemicals and do this outside as the fumes are nasty. Put the gold fingers and clean circuit boards in the coffee pot, in another container mix two parts muriatic acid and one part hydrogen peroxide and add to the coffee pot until it just covers the gold fingers and wait a week giving it a stir daily.

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(1) Clean Your Gold With Detergent and a Toothbrush. In fact you can start the process of cleaning gold by putting a teaspoon full of detergent in your specimen container before you go prospecting. The action of friction and rubbing on your gold nuggets and the detergent will start the cleaning job for you while you are metal detecting.