Found all over the world, calcite is the most stable form of calcium carbonate and is the main mineral found in limestone. We find calcite in the ocean, in shells or hard parts of marine organisms ...
Pure calcium carbonate comes in three crystalline forms — calcite, vaterite and aragonite. In nature, amino acids and proteins determine which type is made, but it’s unclear how. We aimed to ...
Writing in the journal Advanced Materials, scientists from The University of Manchester and The University of Leeds report that they have successfully reinforced calcium carbonate, or chalk, with ...