Aragonite

{
  "id": "MLC-T-ENV-002031",
  "term": "Aragonite",
  "field": "Environment",
  "definition": "A mineral species of calcium carbonate (CaCO3) with a crystal structure different from that of vaterite and calcite, which are the other two forms of CaCO3. It is precipitated from ocean surface waters mainly by organisms (e.g., coral) that use it to make their shells and skeletons.",
  "references": [
    "NASA Sustainable Development Indicators Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/aragonite/"
}