Dr Devin Dennie is a geologist and science communicator based in the USA. He has shared his expert knowledge about rocks and minerals both on screen, through various television and film appearances, and off. His books include Did you know? Earth, My Book of Rocks and Minerals, and Rocks and Minerals Ultimate Handbook. He received his PhD from the University of Oklahoma in Geology & Geophysics.

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Dr Devin Dennie is a geologist and science communicator based in the USA. He has shared his expert knowledge about rocks and minerals both on screen, through various television and film appearances, and off. His books include Did you know? Earth, My Book of Rocks and Minerals, and Rocks and Minerals Ultimate Handbook. He received his PhD from the University of Oklahoma in Geology & Geophysics.

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Dr Devin Dennie is a geologist and science communicator based in the USA. He has shared his expert knowledge about rocks and minerals both on screen, through various television and film appearances, and off. His books include Did you know? Earth, My Book of Rocks and Minerals, and Rocks and Minerals Ultimate Handbook. He received his PhD from the University of Oklahoma in Geology & Geophysics.

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