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What's this weird purple stuff?

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Author Topic: What's this weird purple stuff?  (Read 262 times)
Talusman
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« on: March 30, 2016, 06:19:24 pm »

Got this in a box of old slabs. Not the best quality but has an interesting form. Ideas on where it might be from?

Thanks!

-Jeremy


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Allen
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« Reply #1 on: March 30, 2016, 07:10:12 pm »

Looks much like the brown Rain Forest Jasper from Mt Hay Queensland.

Actually Spherulitic Rhyolite which is associated with thunder eggs.   
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christopherl1234
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« Reply #2 on: April 01, 2016, 03:06:40 am »

Never seen that!
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Talusman
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« Reply #3 on: April 01, 2016, 06:46:31 am »

Had someone suggest that it looks a lot like Ahnikov chalcedony from Czech R.

Photos online look very similar. Anyone familiar with that material? All the websites are in Czech. 🤔

Thanks!

-Jeremy
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