A Complete Overview of Rocks and Minerals

[@kobusmeiring3697]

My left ear knows so much about rocks and minerals now!

[@mikesammartano]

Oops, my bad! That’s what you get for editing without headphones!

[@brianjohansen8089]

Why only the left ear?

[@craigswanson8026]

19:40. It’s hard to blow my mind. Mind blown. Thank you ✌🏼🖖🏼

[@earthscience619]

I love the Geology and Earth Science content you make, they are well illustrated and a good source for revision and learning. Thanks Sir❤

[@maryannmays6578]

Excellent presentation and the recommended materials are excellent as well, well worth the printing, and definitely of the use.

[@Tyler.O]

Such an excellent video...Thank you so much for this!

[@subhashsahrawat3703]

I am a high school science teacher in India.I am pursuing MA in geography but unfortunate to have such kind of teachers.kindly make series of geography chapters from base to high end knowledge.you are awesome and the way you teach is exceptional

[@justynamajewska3449]

Thank you x Consolidation of my study materials!

[@ZackeryCool]

Sheldon Cooper would hate this video

[@TheDanEdwards]

Pyrite is made from _lead_ and sulfur ??

[@ZeroKelvin8041]

Galena is lead and sulfur. Pyrite is Iron and sulfur. He mentions both of them between 14:00 and 15:00.