![The Echinoblog: The Ocean's Holiday Tree Ornaments! Stunning Scanning Electron Microscope Pictures of PLANKTON! The Echinoblog: The Ocean's Holiday Tree Ornaments! Stunning Scanning Electron Microscope Pictures of PLANKTON!](http://farm8.staticflickr.com/7057/6908938729_5dbdaf149c_o.jpg)
The Echinoblog: The Ocean's Holiday Tree Ornaments! Stunning Scanning Electron Microscope Pictures of PLANKTON!
![Microscope photograph of a thin section of chalk; the real width of the... | Download Scientific Diagram Microscope photograph of a thin section of chalk; the real width of the... | Download Scientific Diagram](https://www.researchgate.net/profile/Avinoam-Rabinovitch/publication/234877551/figure/fig2/AS:299863234367492@1448504374567/Microscope-photograph-of-a-thin-section-of-chalk-the-real-width-of-the-picture-is-12_Q320.jpg)
Microscope photograph of a thin section of chalk; the real width of the... | Download Scientific Diagram
![Coccolithophore cells covered with calcium carbonate (chalk) scales. Progress in understanding the unique physiology of these globally important organisms will help us to understand how they may respond to changing ocean chemistry. Coccolithophore cells covered with calcium carbonate (chalk) scales. Progress in understanding the unique physiology of these globally important organisms will help us to understand how they may respond to changing ocean chemistry.](https://s3-eu-west-1.amazonaws.com/ppreviews-plos-725668748/1549564/preview.jpg)
Coccolithophore cells covered with calcium carbonate (chalk) scales. Progress in understanding the unique physiology of these globally important organisms will help us to understand how they may respond to changing ocean chemistry.
Chalk - If you put chalk under a powerful microscope—white cliffs of Dover type of chalk, not the modern blackboard variety—you will see something like this. Because it's not just a rock.
![Shower Thoughts on X: "Get a tiny speck of chalk (Calcium Carbonate), put it in an electron microscope, and this is what you'll see. http://t.co/I4V2ALMVnc" / X Shower Thoughts on X: "Get a tiny speck of chalk (Calcium Carbonate), put it in an electron microscope, and this is what you'll see. http://t.co/I4V2ALMVnc" / X](https://pbs.twimg.com/media/BUh6MD_CcAEhOzv.jpg)