This is a cabochon I cut from Zambian material I got at Tucson this year:
It shows off the color zoning very nicely. When rotated in front of a laptop monitor that center zone goes between violet-purple and pure blue. I honestly wonder if these fine amethysts have zones that are a natural equivalent to the treated sapphira quartz from Brazil.
Post subject: Re: Amethyst from Zambia and Uruguay
Posted: Mon Feb 20, 2017 4:45 am
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Have a look at this African rough. The photos dont do it justice (it looked much better on my phone when I took it). It had slightly more red colour component than the photos show.
I want to buy this but dont have enough money now. Hopefully it will still be with the dealer when I can buy it.
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