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Keywords from Image Description:
Idyngsyt X. Idyngsyt widoczny przy skrzyowanych nikolach mikroskopie polaryzacyjnym pytce cienkiej Microscope image of iddingsite own Original uploader was Hominem felicem pl Released into the public domain by the author pl Hominem felicem Original upload log pl Micha Sobkowski CommonsHelper pl IdyngsytX Hominem felicem