Friday, May 31, 2019

24 Carat Chemistry

I was trying to buy a present for my mum for Mothers' Day. "A gold chain," I thought, "would be a nice present". But when I got to the jewellery shop I found that there is a huge variety of "gold chains", 24 carat gold, 18 carat gold, 9 carat gold, 995, 750, 375, white gold, rose gold...
So what is a carat?
What do those numbers mean?
How can "gold" be different colours?

Read all about it in the June 2019 issue of AUS-e-NEWS

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