« Back to Glossary IndexOne of the two most abundant forms of calcium carbonate in the ocean. The other is calcite. Aragonite2025-10-022025-10-02https://necan.org/wp-content/uploads/2025/10/necan-logo-padding.pngNECANhttps://necan.org/wp-content/uploads/2025/10/necan-logo-padding.png200px200px