hand sample rounded porphorytic textured rock with fine grained matrix

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Hand sample of rounded porphorytic textured rock with fine grained matrix Royalty Free Stock Photo
Hand sample of rounded porphorytic textured rock with fine grained matrix Royalty Free Stock Photo
Hand sample of rounded porphorytic textured rock with fine grained matrix Royalty Free Stock Photo
   
   
   
   
Hand sample of rounded porphorytic textured rock with fine grained matrix
   
   
   
   
   
   
   
Rounded stone with tiny white, green, rusty red, orange phenocrysts clustered together against white backdrop

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