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.
limestone is the name for a rock that is primarily composed of the mineral calcite distinguishing between rock and mineral terms is important though as a limestone rock may contain other minerals in addition to its calciteragonite aragonite is a polymorph of calcite a mineral that has the same chemical composition as calcite but has a slightly different crystal structure for most purposes aragonite and calcite can be considered to be the same mineral