6:46

Mineral Luster

24:19

Minerals with Willsey: Feldspars

3:44

DJI | The Faroe Islands

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Identifying Rocks and Minerals - Earth Science for Kids!

10:07

Mineral Habit

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The Mohs Scale & How it Works

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Minerals with Willsey: Calcite

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Rock Identification with Willsey: Sandstone, Mudstone, and Shale