It is a common myth that toothpaste is a good way to clean your jewellery. This is actually false. Toothpaste can damage your diamonds, gemstones, gold and silver. Toothpaste is abrasive and has a hardness of around 3/4 on the Mohs Scale of Hardness.
Never use toothpaste, baking soda, or a commercial metal cleaner on gold. If you use these abrasives, you may scratch the gold. Never use bleach.
Don't use silver polish, toothpaste, harsh chemical cleaners, or abrasive scrub brushes on gold-plated jewelry.
The short answer is no. Toothpaste is not a good option for cleaning your ring. Toothpaste contains scrubbing particles to polish your teeth, but these particles are often harder than the metals in your ring, especially gold or white gold. Using toothpaste on your jewelry could cause scratches or pitting in the metal.
Test Gold Using the Float Test
Take a cup or glass, fill it up with water, now bring the gold that you want to test. Drop it into this filled glass. If the gold floats, it is surely not real but if the gold sinks to the end of the glass then it is pure gold. The real gold will sink due to being a heavy metal.
How to Do the Float Test to Check If Gold is Real. Fill a cup or bowl with water and carefully drop your gold piece into it. If the gold is real, it will sink to the bottom of the cup. If it's fake, it will float to the top or hover in the middle of the cup.
The Float Test
Place your gold piece into the water. If it's genuine gold, then it will immediately sink to the bottom of the cup. Pure gold is heavy due to its high density – 19.32 g/ ml. If your gold item floats or hovers above the cup's bottom – it's fake or plated gold.
Toothpaste is abrasive and has a hardness of around 3/4 on the Mohs Scale of Hardness. Metals such as gold and silver are softer, so toothpaste can actually scratch damage your gold and silver jewellery. Not to mention, the chemicals in the flavour oils used in toothpaste are corrosive to metal.
Jewelers use ultrasonic cleaners with high frequency sound waves and chemicals, which create bubbles that latch on to the dirt on the diamond. The high frequency sound waves pull the dirt away from the stone and bring them up to the surface.
Does Coke Clean Gold? This is a handy and maybe unexpected tip, but Coke does indeed clean gold. You can dip your gold in a small bowl of Coke and make sure that it is completely covered. Leave the gold plated jewelry in the solution for 10 minutes and then rub with a soft cloth and rinse.
Heat your gold jewelry with the lighter.
Apply the flame to the jewelry for about a minute or 60 seconds. Watch it closely for any changes in color. Fake gold will get darker, while pure gold will do the opposite: it will get brighter the hotter it gets.
If your gold piece turns black or green when the vinegar is on it, or if it starts to smoke or fizzle at all when the vinegar touches it, it is most likely not real gold. If your gold piece does not change colors and does not fizzle or react to the vinegar in any way, it is probably real.
Rub the gold on unglazed ceramic to see if it leaves a streak. Make sure you're using an unglazed piece of ceramic since anything with a glaze could affect the test results. Drag your item across the plate until you see some fragments coming off the gold. If you see a black streak, that means your gold is not real.
It is helpful to clean thoroughly. The main component of scale is calcium carbonate, and the detergent component in toothpaste can clean up stains. Acetic acid in vinegar can remove hardened calcium carbonate. Mix the toothpaste with the white vinegar in the proportion of 1:2.
Dawn dish soap is safe and effective at cleaning jewelry. Just add a few drops to a warm basin of water and let your jewelry soak for 15-30 minutes. Then remove it from the basin and gently brush with a clean, soft-bristled toothbrush to get grime out of the grooves. Finally, rinse and dry.
Another great way to clean your sterling silver jewelry is with Windex. Yes… Windex. You can either spray the Windex directly on the item to be cleaned or on a soft-bristled toothbrush or soft cloth.