[fullmetal]

Are those mine-like things actually kidney stones?  Given that stones are supposed to be mineral crystals, the smooth appearance is kind of odd.  And noting the micrograph of sharp edges, yes, those edges are very crystalline...pass the cranberry juice and water, please.

[fullmetal]

Are those mine-like things actually kidney stones?  Given that stones are supposed to be mineral crystals, the smooth appearance is kind of odd.  And noting the micrograph of sharp edges, yes, those edges are very crystalline...pass the cranberry juice and water, please.