Assertion: calcite's crystal | /r/HasProperty | described by right rhombic prism unit cell
Facets:
value: conventionally
type: MANNER
value: in the hexagonal family
type: OTHER
value: with two equal axes
type: OTHER
Source sentences:
text: In the hexagonal family, the crystal is conventionally described by a right rhombic prism unit cell with two equal axes (a by a), an included angle of 120° (γ) and a height (c, which can be different from a) perpendicular to the two base axes.