Definition of Coquina and Variolite
The general Coquina and Variolite definition can be stated as: Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates. On the other hand, Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Along with definition of Coquina and Variolite, get to know about Properties of Coquina and Variolite. Get to know more information about Coquina and Variolite origin and discoverer, etymology and class.