noun
- a crystalline form of calcium carbonate that occurs naturally in some shells, corals, and cave formations
Usage: mineralogy
Examples
- The cave walls were lined with beautiful aragonite crystals.
- Pearls are composed primarily of aragonite and conchiolin.
- The coral skeleton is made of aragonite rather than calcite.
- Geologists identified aragonite deposits in the limestone formation.
- The mollusk shell contained layers of aragonite that gave it strength.
- Aragonite is less stable than calcite at normal temperatures and pressures.