Definitions for "Aragonite"
A mineral identical in composition with calcite or carbonate of lime, but differing from it in its crystalline form and some of its physical characters.
A crystalline form of calcite.
(a-rag'-o-nite) An orthorhombic mineral with the same composition as calcite (CaCO3), but stable at higher pressures. It occurs in hot-spring deposits, in coral reefs, in the nacre of pearls, and in the shells of some molluscs and brachiopods formed at or near atmospheric pressure.