1 Fun with minerals yo Ben Simonson 01 Subscribe Unsubscribe 6+ y ago6+ y ago Subscribe Unsubscribe Daily+ Fun time with minerals. Great for your kids Cover art photo provided by Miguel Bruna on Unsplash: https://unsplash.com/@mbrunacr … continue reading
1 Hardness 1:16 Play Pause 6+ y ago1:16 Play Pause Play later Play later Lists Like Liked 1:16 Today we talk about hardness. It’s pretty neat … continue reading
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