Author Topic: Opalines  (Read 725 times)

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Offline aa

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« on: November 04, 2013, 10:04:20 PM »
Some interesting historical and technical information on opalines from Gaffer Glass in their newsletter here
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Offline flying free

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Re: Opalines
« Reply #1 on: November 06, 2013, 11:23:04 PM »
thanks Adam :) that's very interesting.
It's made me feel a bit weird about my early 1700's milky opalescent Bohemian flask though.  I just assumed it was animal bones.  I hope it was :)

Offline chopin-liszt

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Re: Opalines
« Reply #2 on: November 07, 2013, 11:15:18 AM »
I know to be warned about contemoprary"chalcedony" - not nearly as impressive to achieve as it was.
thanks, Adam!
Cheers, Sue (M)

“Empirical evidence on expert opinion shows that it is extremely unreliable”
Ioannidis, (2005), Plos Medicine.



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