![Aragonite crystals: diagram and photo](http://static.sciencelearn.org.nz/images/images/000/000/494/full/Aragonite-crystals20151103-6623-1u96ikk.jpg?1674164390)
Aragonite is one of the two main crystalline forms of calcium carbonate. The crystal lattice is an orthorhombic system resulting in needle-shaped crystals.
Aragonite is one of the two main crystalline forms of calcium carbonate. The crystal lattice is an orthorhombic system resulting in needle-shaped crystals.