pinfire: Magical Opal (Oculus Mundi)I have taken some more pictures and it can be seen that the opal acts like a humidity sensor and changes the transparency in dependence on the water content.

pinfire: Magical Opal (Oculus Mundi)I have taken some more pictures and it can be

[RetailFlashing ] [RemyLaCroix ] [RepressedGoneWild ]

pinfire: Magical Opal (Oculus Mundi)I have taken some more pictures and it can be seen that the opal acts like a humidity sensor and changes the transparency in dependence on the water content.

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