Mineral Identification- Cleavage, Fracture 

I'm attempting to finish an earth science lab, and this helped ALOT while trying to identify my minerals. Thank you!

this explains my puzzling 3-week lecture. thanks bro

Thanks. It is helpful tool for my students

OMG this so cool and amazing way to explain thank you

This was a very helpful video. Thank you.

Nice information

thank

Great video, thanks!

thx help out a lot on my HW :)

Which book you use?

Thank you!

what book are you using?

This helps thx

This book name???

fun fact gypsum can easily be grinded into a white powder and inhaled

i have one

Land of the Lustrous brought me here

احد جاي من تيمز ؟ ☻

Cleavag. Hehehehehehehe

Play it at 1.5 speed so he speaks normally