An euhedral crystal (the biggest one in the photo) in groundmass matter
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An euhedral crystal (the biggest one in the photo) in groundmass matter

by Metwally Hamza, Research Assistant in the field of geology with international published research papers. Academically interested in cosmic geology & planetary sciences. Geology fiend who likes to take photos of nature & geological features, Egypt

- The term euhedral in geology means that the crystal has well-growth sides, such as that appears in this photo as an equent grain. And the term groundmass refers to the very fine-grained material that exists in the whole section.

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⁃ Taken and published by Geologist Metwally Hamza,
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