How Can You Tell The Difference Between Aragonite And Calcite?

How Can You Tell The Difference Between Aragonite And Calcite? Calcite and aragonite are polymorphs of calcium carbonate. The key difference between calcite and aragonite is that the crystal system of calcite is trigonal, whereas the crystal system of aragonite is orthorhombic. Moreover, calcite is more stable than aragonite. What does aragonite look like? What