Cleavage; How to understand it;
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- Опубликовано: 5 фев 2025
- Mineral's cleavage is one of the hardest property to see and understand.
With this video I would like to help everybody who are trying to identify minerals using the cleavage as a property.
The concept of mineral cleavage has confused me a lot in the past, but watching this video has helped me gain a better understanding of what it is and how to identify it. Thank you.
Ethan Good. GOL 105-V1 Summer 2021.
I just have to say, this really makes me want to collect minerals again. I know I have some pyrite and maybe olivine from middle school. There was a gem/mineral show that we got extra credit for going to. One thing that I didn't necessarily learn, but help visualize, was how muscovite is a sheet silicate. You can very easily tell it has a sheet structure with how it cleaves. Secondly, I didn't realize cleavage was shown by breaking the mineral. I always assumed it was how the planes of the minerals natural structure was. Lastly, Calcite really surprised me with how uniform its cleavage was. Evan Motley GOL 105, V-1.
Summer 2020 GOL 105 - V1 Physical Geology - Savannah Mihalo
- I was confused about how to count the cleavage planes until you explained that parallel sides count as one and cleavage planes themselves are considered planes when they shine at the same time---that was very helpful! I think my favorite mineral break in this video was the gypsum---it looked like plastic to me from the beginning but it surprised me that it also had the same bendy feature that a lot of plastic has. I also liked watching you practically peel the muscovite---it was mesmerizing for me! The sound was also pretty cool. (:
This is super helpful for my Grade 3's to understand cleavage! I love that you actually break the rocks and minerals! Thank you :)
yeah same
Thank you so much!! Still helping 5 years later! All the way from Sac state!
GOL 105-V1 (Fall 2022)- I remember learning about cleavage and fracture in 9th grade, but I couldn't remember how to tell if minerals have cleavage or not. This video helped me remember!
Geology 105 V1 Fall 2022- Learning about the cleavage of minerals was fascinating. I had trouble at first on how to count the planes but once I started watching the video it started making sense.
Great video. Nothing better than actually breaking the different samples.
Jasmine Henderson GOL
This helped me to understand cleavage better. Having a visual helped to better explain what I've been reading. This also helps me to identify the mineral!
This always confused me in school, thank you for making it easy to understand! -Taylor Cundiff GOL 105 V1
GEOL 101 FALL 2020, this video was very helpful. I appreciated it very much. I was was trying to grasp the concept before but after your video, I understand it. Thank you!
Ben Temple Spring '21 GOL 105 - I remember the term cleavage from science class in high school, however, had completely forgotten what it refers to. It's great to see this example of you breaking different minerals to show what cleavage is, based on how minerals break and how their shine is on the breaks.
Mackenzie Beard GOL 105 Summer 2020: Actually seeing you demonstrate helped me a lot!
Amy Atkins Fall 2019 Phy Geo105 v1-This was very helpful in understanding cleavage planes. I really wish I had reviewed this video before taking the quiz.
Thank you for breaking open the rocks! This also helped me understand how to count the planes.
Brice Morrison
GOL 105 Z1
Fall 2022'
This was very helpful as I worked through the lab. I now have a better understanding of Cleavage and how to determine the amount of planes.
Thank you! The way you explained and demonstrated made it really easy to understand!
Thank-you!! I'm an Egyptian student and that was really helpful ❤️❤️ keep up the great work n wish me luck!!
I never really understood what it meant by cleavage until I watched this video. I wouldn't have thought a mineral could have had cleavage. Thank you.
spring 2022 physical geology 105
GOL 105-V2 This video was very informative and helped me better understand cleavage and what to look for
GEO 105
Mineral cleavage can be very confusing, but watching this video has helped me better understand it and how to identify it. Thank you.
Hasn't anyone noticed that despite the cut at finger at 7:46 she is demonstrating . Hats off to such great teachers!
Stephanie Ashwell GOL 105 Summer 2019
I wasn't expecting you to break the minerals but it was really cool to see! I had no idea that some minerals break off the same whereas others do not. You learn something new every day!
Ryan Smith GEO 105 V-1 Spring 2022
I had never heard about mineral cleavage, so I learned a lot of different things from this. and that with in the cleavage of the mineral there is the quantity and quality of it. It was really cool watching you break the gypsum.
Cundiff/GOL 105 Fall 2020: Thanks for explaining the many ways minerals can cleave and how it relates to their composition.
Geology 105 Fall 2019
Fabrae Hash-Tucker
This video was a big help in understanding rock cleavages. Great video!!
The way of your explanations made me more clear about cleavage . Thank you!
I honestly did not understand cleavage that much, this helped a lot. I did not consider too much when observing minerals.
GOL.105.V2.SU20For a second I did not listen to what you were saying you were nailing so close to your thumb :O. Really helpful video, made me feel like I was in lab although I wasn't. Actually really like how we are able to watch how it breaks and having you explain makes it 1000x less confusing.
Gleica Norris
Determining the number of cleavage planes was a little confusing at first. I wasn't sure what exactly to look for, but this video clearly explained everything. Thanks!
This was very useful to help learn about cleavage. It helped me understand how to tell how many sides.
Elizabeth Thomas - Fall GOL 105-V1
I was really confused when I attempted the lab work. Your video explains clearly how to count cleavage planes and what to look for.
Rowland Nicholson GOL 105 Spring 2020 got a better understanding of cleavage thank you
This made cleavage make more sense, thanks! Watching you break them was great too so we were able to see how they look right after being broken. Autumn Clingenpeel GEO 105 V1 Fall 2022
i like how this is hands on and following along helped as well
GOL 105v2 spring 2021
Amy Atkins Gol 105 Fall 2019 v1-I didn't know how soft gypsum actually is, nor did I know it is used in plaster.
Thank you! I was having a hard time understanding cleavage! - Nick Muir GOL 105 V1 Spring 2021
Thank you for the explanation! this helped tremendously!
Knowing that it doesn't mean complete flatness but the shine happens across the entire surface made a lot of sense to me!
Spring 2021 GOL 105-V1: Madison Williams
Thank you for showing us this, I am a visual learning and this helped me so much.
Kaitlyn Long: GOL 105-V1: Spring 2017: I remember learning about cleaving in my high school earth science class.. this video helped me refresh my memory!
GOL 105 V2 Summer It is amazing how neatly the different minerals can break and the fact that they can be categorized by doing so is also extremely interesting.
Ashton Huddleston GOL 105 Summer 2020
This video is extremely helpful! I have always had a difficult time with this
Lauren Everhart Fall 2021 Physical Geology 105- I find it so fascinating that some of them are able to bend. Those reminded me of plastic.
Hannah Puckett Fall 2022 GOL 105 V1- The explanation of cleavage was very helpful. The demonstrations really helped show the concepts.
This video was very educational!
James Van Curen GOL105 V1 Spring 2023: This was very helpful to understand cleavage and how to count the sides. It was interesting the different ways to cleave the minerals and plasticity of minerals.
Dena Custer GOL 105-V2 Cleavage of minerals did not make sense to me until after watching this. Now I get it!
Jerry Huang Fall 2022 GOL 105 - Z1
This was very helpful in determining cleavage for the lab. Thank you!
Jonathon Clark GOL 105 Summer 2020. This video really helped me better understand the concept of "cleavage."
This is actually pretty helpful, thank you!
Corie Bryant GOL 105-V1
This was really interesting, I had no idea minerals could break so neatly, or that how minerals break is actually an important property.
Dear Dr. Anna thank you fo this video it has helped me understand cleavage a-lot more.
ET
Daniel Nary GOL 105 V1 Spring 2021: I had no clue if you broke minerals they can break in a similar way to every piece that breaks.
Thank you for explaining the shining and cleavage correlation, as well as turning it from side to side to determine the number of ways.
Elisabeth Hutchins GOL 105-V1 Fall 2020
This really helped me understand the differences in cleavage and how to find it. Thank you!
This really helped me while I was doing the lab. Now I understand cleavage better and know how to find out the number of planes.
GOL.105. Fall 23
Japal Rivera
Michael Zeidan GOL-105-V1 Spring 2018
Thank you for clarifying cleavage of minerals a little more.
Brian Jones GOL 105 Spring 2020: Very interesting and seeing these examples and demonstrations of cleavage was very helpful.
Heather Finley (GOL105-V1 Summer 2019)
This video helped me understand cleavage a lot better. I'll definitely be using this throughout the course.
very.. helpful video. Thank you
Cleavage is so interesting! I love how some minerals break into smaller perfect pieces. So festinating! -Faith West
Thanks a lot for this video! It really helped me understand what cleavage is all about.
Fall 2023 GOL 105 - Japal Rivera
Joyanna LeBlanc Mason- GOL 105&106- It breaks my heart to see minerals broken into pieces, but its really neat to learn about the structures of the crystals and their cleavage!
This was a cool video learning thank you!
Perfect 👌whats wrong with people who dislike this awesome lesson 🤔
Fall 2018 - GOL 105-V1 - Good visual to help understand the difference between cleavage and fractures and also the quality and quantity of cleavages.
Garrett Boykin Geology 105 Fall 2022: Thank you so much for this video it was super helpful in understanding cleavage and what it was!
Fall 2018 GOL 105
If you turn the broken side and it all shines than you can tell it has it. Jillian Morganelli
Jason Cain GOL105 Spring 2021- I never knew what cleavage was and how it was related to minerals until I seen this video, now I can say I have a much better understanding of cleavage with minerals.
Thank you for explaining how cleavage works. super helpful - GOL 105 summer Kayli Stockton
Wendy Sevilla GOL-105-V1 Spring 2018: Dr. Anna this is really going to be an amazing class I enjoy learning about cleavage .. would never have figured it out without your video!
GOL 105 V1 FA19- Elisha Bussey.
This was very helpful in determining cleavage for the lab. Thank you!
Thank you for showing good examples of how cleavage works and making it easier for me to understand!
Olivia Hartman- Summer 2023 Gol 105
Christian Smith, GOL 105, V1 FA21- This helped me a lot with understanding cleavage.
A. Dean GOL 105 V1 SU24
1.) I had no idea quartz was such a hard mineral or that it would be so hard to cleave. 2.) I had never thought the structure of a mineral could relate to cleavage and in turn, could break so cleanly (the calcite). 3.) I didn't realize there were multiple ways a mineral could have cleavage (the gypsum).
This video is very helpful. Thank you for the upload. 😊😊😊
this was so helpful thank you so much
Woman cute her hand and keeps on with the presentation 😂 you inspire me
Domenique Ross- this video is very helpful with showing me how to identify cleavage
Delaney Bailey GOL 105-V1
I really enjoyed getting to know all of the ways to determine cleavage for minerals, I just wished a mineral that didn't show cleavage was shown as well(if there is any) so we could see the difference between them, but overall this video looked very fun to film, especially breaking the minerals!
Watched this video about cleavage of minerals. Interesting facts about different properties of crystals.
Andrea sylvestre Gol 105-V1 summer 2019 cool how the flat mineral just opens up with a finger nail.
Hannah Terry GOL Fall 2020: This video really helps me understand the meaning of cleavage. I am a visual learner.
Corrie Johnson FALL GOL 105 2020
Seeing this visually really helped me understand the concept!
Gabby Clark
GOL 105 Summer 2019
This video helped me tremendously with understanding the cleavage of minerals.
Thank you. You are a real educator. My teacher shows us 3 minute national geographic videos and expects us to let the terrible McGraw Hill textbook do all the work.
Margo Karkenny gol 105: cleavage was a difficult topic for me to grasp but this video was very helpful
Good demonstration, really helpful. Shellie Falls GOL 105
Asia Mattox
Geology 105 v-1
I was a little confused on how to tell how many cleavages there was. After going through the video I finally got the hand of it.
Hannah Collins GOL 105 Summer 2020- This video helped me while I tried to do it myself with my samples and helped me with the cleavage planes.
Rachel Hutchins
Mineral Cleavage is a bit harder to understand than I thought it was. I am still a little confused, if I am being honest. But it was really fun watching you break things, Dr. Anna! GOL FA20
this video really helped me understand cleavage
Gabriele Shires GOL 105 Spring 2020:
We can a mineral has cleavage by whether or not one of its sides shines (the entire side specifically).
Heather (Albers) Luce: GOL105 Fall 2020: I really enjoyed learning about the cleavage and fracture of the minerals shown in this video. Also, seeing how the tests were performed helped me better understand the process.
Really perfect vedio
Seeing how it works will be helpful.
Ashley Bryant GOL 105 V1. I learned that you can tell where a mineral's cleavage planes are by looking at the sides of a mineral because cleavage planes will by shiny. They will not always be flat, but they will be shiny.
Karen Duncan GOL 105 V1 Spring 2024
The Three things I learned are:
1. To observe cleavage one has to break it.
2. Cleavage is repeated when broken, the faces will be seen as shinny, flat smooth
3. The cleavage ways or numbers will depend on whether the mineral shows good, perfect, shinny, flat, smooth irregular faces example: Mica is flat, shinny, repeats, perfect cleavage one way.
Thanks for the helpful video! Will McCoy GOL105 Summer 2020