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https://healthfully.com/does-gold-turn-skin-black-4578623.html
Biological Reason Gold Can Turn Skin Black. Gold is a soft, inert, elementary metal. This means it rarely reacts with other elements or living tissue. However, it can still happen. Gold used for jewelry is not pure. Pure gold is so soft that one could mold it like clay in one's hands. As a result, base metals are often mixed with gold when it is used for jewelry in order to harden it.
https://healthfully.com/what-causes-skin-discoloration-from-gold-5201427.html
Nickel reacts with skin similarly to copper, but it turns black instead of green. Nickel is commonly used in lower-quality gold jewelry, and as a base within gold-plated jewelry. If the softer gold plating wears off over time, your skin can become exposed to the nickel beneath and cause this discoloration.
https://www.yatesjewelers.com/why-does-my-gold-ring-turn-my-finger-black.html
When this dust comes in contact with surfaces that are absorbent, such as your skin or clothing, this dust sticks and forms a black smudge. Another reason that that your finger may discolor is corrosion of the metals in your ring. The gold does not corrode, but the alloys that are mixed with the gold. (Remember, 14K gold means the ring has 58% of pure gold and 42% of non gold alloys.)4.9/5(316)
https://www.healthtap.com/questions/241045-why-does-my-gold-jewelry-turn-my-skin-black/
Dr. Lawrence Judy answered 43 years experience Internal Medicine Depends: The black is either metal from the jewelry, which means it isn't pure gold, or it is something getting under the jewelry from the environment. Answered on Jul 9, 2013
https://www.leaf.tv/articles/why-would-gold-rings-turn-fingers-black/
Sulfur, chlorine and other elements in the atmosphere react with copper, silver or nickel in the gold jewelry and cause it to corrode. This results in gold rings and other pieces of gold jewelry turning black and in turn blacken the skin. This has been known to happen in coastal regions where there is a lot of salt or chlorine in the atmosphere.
https://pavandbroome.com/services/education/gold-rings-turning-fingers-black/
Elements such as sulphur and chlorine react with the other metals in the gold jewelry, causing it to corrode and turn black, thus blackening the skin underneath. The abrasive particles often found in cleaning chemicals and even make-up can cause the metals to break down more rapidly and expose the base metal(s) or generate fine dust, which would show up as a blackening of the jewelry and/or skin.
https://www.sharonzjewelry.com/blog/skin-turning-black-rings
Sep 02, 2020 · But gold and silver are soft metals, so the mild abrasive in my sunscreen was actually rubbing off minuscule particles of metal from my rings and these particles transferred to my skin and appeared black.Location: San Francisco, CA USA
https://www.leaf.tv/articles/how-to-clean-gold-jewelry-thats-turning-black/
Jewelry made of pure gold doesn't tarnish because it doesn't corrode or oxidize, but gold pieces made with an alloy such as copper or silver may tarnish and turn black. Gold jewelry can also darken when it's frequently exposed to soap, lotion and everyday grime. Clean gold jewelry carefully; rough handling or harsh, abrasive cleansers can do more harm than good.
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