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
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)
Coarse Grained Rock, Opaque Rock
Layered, Banded, Veined and Shiny
Decorative Aggregates, Homes, Hotels, Interior Decoration
Garden Decoration, Office Buildings
Building houses or walls, Construction Aggregate
Artifacts, Monuments, Sculpture, Small Figurines
Available in Lots of Colors and Patterns, Is one of the oldest rock
Archaeological Significance
Coquina is a sedimentary rock which is formed when billions of small clam-like seashell, called Coquina, or cockleshell are die and hence are deposited, buried and turns into a rock when pressure is applied.
Apatite, Augite, Bronzite, Calcite, Chert, Chlorite, Clay Minerals, Epidote, Feldspar, Garnet, Micas, Muscovite or Illite
CaO, Carbon Dioxide, Iron(III) Oxide, MgO
Biological Weathering, Chemical Weathering, Mechanical Weathering
Coastal Erosion, Sea Erosion, Water Erosion, Wind Erosion
Dull to Vitreous to Submetallic
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Deposits in Eastern Continents
Deposits in Western Continents
Deposits in Oceania Continent
Information about Coquina
Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Coquina Uses. We have provided you with all information about Coquina rock here. 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. Coquina is available in beige, buff, orange colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Coquina is white. Get to know more about Coquina rock and characteristics of Coquina rock in the next sections.