Started to tarnish.

Bought these earring findings a couple of months ago. No issues until now when a bunch of them began to tarnish and change into a very dark color. Almost a dark copper color. We live in a warm dry climate so the weather is always the same temp wise. We have no idea why they just changed. They’ve been kept in the same dry spot since we purchased them. Not all of them changed color so I don’t know why so many all of a sudden changed. Very disappointed because my wife uses these to make earrings for her shop. We can’t use them now if they are a risk for tarnishing so we’ll have to throw the rest away. Bummer because they were really easy to work with. Although many came without the ball and spring. We just used those as plain findings.

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