Gypsum crystals and paratacamite from Rudna Mine (Poland) Credit: Spirifer Minerals 

Gypsum crystals and paratacamite from Rudna Mine (Poland) Credit: Spirifer Minerals 

Gypsum crystals and paratacamite from Rudna Mine (Poland)


Credit: Spirifer Minerals 

#minerals    #crystals    #gypsum    
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Tue, 13 Oct 2020 09:59:52