ooooh, micrometers. I was thinking pebble sized. I wouldn't call it crushed, it's pulverized powder (polvare which is powder in Italian, you see it in reference

ooooh, micrometers. I was thinking pebble sized. I wouldn't call it crushed, it's pulverized powder (polvare which is powder in Italian, you see it in reference to minerals in wine vineyards)