

Opal “pineapples” – an opal pseudomorph formed by the replacement of glauberite by opal, found only in New South Wales, Australia.
Photograph by Grant Pearson.





Opal “pineapples” – an opal pseudomorph formed by the replacement of glauberite by opal, found only in New South Wales, Australia.
Photograph by Grant Pearson.



Recent Comments