In a close-up macro, it looks like a chunk of agate. Or maybe fossilized gum from the bottom of a chair.
But what it is instead, is my very own kidney stone! It was my first. Three millimeters by two, approximately. Composition still awaiting assay; knowing my luck, I’ll be one of the less-than-one-percent that makes stones in some weird rare chemistry. I passed it on Monday the 17th, after a day of surprisingly moderate back pain, some agonizingly expensive tests (they had to CAT scan two segments of my body to ensure that they caught it on film, because I was going to be riding four hours in a car to Houston…) and a little bit of hydrocodone. Having heard lots of horror stories, I was anticipating hours, possibly even days, of stabbing pain. What I got instead was a medium-level crampy sensation, and then a “oh, was that the stone?!” surprise while peeing through the strainer.