In my ongoing series of questions dealing with things I never needed
to know before my current job…
We do a lot of sizings, repairs, and alterations on jewelry we
didn’t make, like most retail jewelers-- but I never worked in one
We have acids to test various karats of gold. But what if a piece is
not marked, resists the 18k acid, and is white. It could be 18k
white-- or palladium or platinum. Mostly, it is easy to tell from the
color and weight, but not always.
Is there a definitive test?
There is a slip of paper posted at work that describes the three
metals’ reactions to iodine. Sounds great, but yesterday, I did a
side by side test on known samples, and the iodine did absolutely
nothing on any of them. Is something wrong with the test, or my