Hydrophane Opal Absorption of water
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=TFjyhCmkPyM
Most of the Ethiopian opal has ability to absorb water or liquid (called hydrophane ) • You can see the changing color from opaque to translucent. • • hrrp://www.gemstory.com.au • http://www.opal-direct.com
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