Assertion: calcite's crystal | /r/HasAspect | atom
Facets:
value: microscopically
type: MANNER
Source sentences:
text: Microscopically, a single crystal has atoms in a near-perfect periodic arrangement; a polycrystal is composed of many microscopic crystals (called " crystallites " or "grains"); and an amorphous solid (such as glass ) has no periodic arrangement even microscopically.
text: An ideal crystal has every atom in a perfect, exactly repeating pattern.