What type of earrings do not rust?
Rust needs iron. Most jewelry discoloration is tarnish or corrosion instead, and the difference tells you what the earring is made of.
Ear Health & Safe Earrings
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Which jewelry materials are safe to wear in water?
Chlorine, salt water and shower products affect metals differently. What survives daily water, what quietly degrades, and what to take out first.
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What is nickel plated silver?
Nickel silver contains no silver, and nickel plated silver is a different thing again. Here is what each term means and why both matter for young e...
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What is the least irritating metal for earrings?
Ranked by what actually reaches skin rather than by price. Where titanium, niobium, 24 karat gold and S316L sit, and which metals cause most of the...
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How do I test jewelry for nickel at home?
A dimethylglyoxime spot test costs a few dollars and takes a minute. Here is how it works, how to read it, and the two things it cannot tell you.
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What does "medical grade" mean on jewelry?
"Medical grade" has no agreed definition in jewelry. Here is where the phrase came from, what it is standing in for, and what to ask instead.
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What is implant grade titanium, and is it better than S316L?
Implant grade titanium means ASTM F136. Here is what that specification covers, where it genuinely beats steel, and where the comparison stops matt...
