Heart of Stone
ShortStory 5,632 words Recommended by 1 award/anthology source
"That was true. The Field supported many Stones like us but also carried considerably more unthinking rocks that obscured our far view. Stones occupied a narrow band within the Field; the ones too close to or too far from the Sun could not maintain the fluids needed to stay alive, or they lost their fluids long ago and became rocks."
Quasar links out; the story lives on Analog, where the author gets the click.