Endive is also a common name for some types of chicory (Cichorium intybus). There are two main varieties of cultivated endive: 1  Curly endive, or frisee (frisÃ©e var). 2  Crispum this type has, narrow, green curly outer.  leaves
Calcite is more stable and common than aragonite under the chemistry of our modern seas.) Hardness 3 (down to 2. but also the ease with which it forms. in the form of marble.5 to 4. Calcite forms in a range of settings from hot springs and underground caverns to growing coral reefs and seashells.
What is ARAGONITE? A carbonate mineral, crystal forms of calcium carbonate. It is formed in the biological and physical processes, such as precipitation from marine and freshwater environments. It is thermodynamically unstable at standard temperature and pressure. ARAGONITE: Aragonite forms naturally in the shells of mollusks, and as the calcareous endoskeleton of some types of corals. .