adjective
- having the shape or form of a rhombohedron; relating to a crystal system characterized by three equal axes intersecting at equal angles that are not right angles
Usage: crystallography; geometry
Examples
- The calcite crystal exhibits a rhombohedral structure.
- Quartz can form rhombohedral crystals under certain conditions.
- The mineral sample displayed perfect rhombohedral cleavage.
- Researchers studied the rhombohedral lattice arrangement.
- The gemstone’s rhombohedral faces reflected light beautifully.
- X-ray analysis confirmed the rhombohedral crystal system.