Here are a couple of high-magnification images of a wood toothpick. Doesn’t look like something you want to put in your mouth, does it?
High Magnification Images of “Economy” Quality Diamond Abrasives
This is a series of high magnification images of lower-grade “economical” diamond particles, taken using an electron microscope.
High Magnification Images of Quality Diamond Particles
Here are high magnification images of quality diamond particles taken using an electron microscope.