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Author Topic: why is the Opal stored in water  (Read 1496 times)

BigAlBundy

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  • Posts: 6
why is the Opal stored in water
« on: October 08, 2018, 09:35:00 AM »
Hi, probably a dumb question, but why is the uncut opal kept in water.??

Gemster

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  • Posts: 775
Re: why is the Opal stored in water
« Reply #1 on: October 08, 2018, 12:01:14 PM »
Stops it from cracking if stored in Water....

  Gemster..... beers
I swing a 12-pound hammer,smash gibbers by the ton
I used to think it convict work,but now i think it's FUN

harryopal

  • ALF'er Gold Member
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  • Posts: 238
Re: why is the Opal stored in water
« Reply #2 on: October 08, 2018, 12:19:21 PM »
You may find this link interesting.
http://www.gem.org.au/ckfinder/userfiles/files/Opal%2010_1.pdf

Opal generally has a high moisture content. Some fire opal especially the Ethiopian fire opal is hydrophanic meaning it will absorb moisture and will appear as having lost its colour. However left to dry the colour will return.
harryopal

 

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