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Identity HelpBright green layer on bottoms of amethyst clusters

8th Dec 2019 22:22 UTCKate Crystal

Hello :)

I purchase amethyst clusters in bulk from UK suppliers. Some of them never have a description of origin. 

But I’ve noticed a lot of them have a very bright green layer of what looks like paint underneath? Is this a natural layer? And if so what is this layer?

Thank you in advance x 

8th Dec 2019 22:37 UTCKelly Nash Expert

I think the answer is probably in these discussions earlier:

8th Dec 2019 22:54 UTCKate Crystal

Thank you! Xx 

10th Dec 2019 01:39 UTCGeorg Graf

Hi Kate Loa,

your spezimen looks completely natural for my eyes. The green layer is Celadonite, often found between basalt, and hydrothermally generated minerals in vugs.

Greetings, Georg
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