Orthoclase Feldspar

Photographer: Shreya RoySummary Author: Shreya RoyShown above is a conspicuous porphyroclast I observed near Maithon, India. This is a porphyroclast with orthoclase feldspar present. Feldspar is the most abundant mineral in the Earth's crust. Note that the orientation of the structure and flow of material about it, indicates that this is likely a sigma porphyroclast. Photo taken on December 10, 2023.

Maithon, India Coordinates: 23.7721, 86.8070

 

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