Wander among impressive calcite formations erupting from the ground and hanging from the ceiling.
Corals use the calcite carbonate form while oysters, mussels etc use aragonite.
The primary source of calcite, or calcium carbonate, is the secretions of certain sea creatures.
In both cases, the researchers carved out a hiding place in a crystal of the mineral calcite.
The brittlestar's exoskeleton contains a tightly packed array of calcite crystal lenses.
calcite and aragonite are the two crystal forms of calcium carbonate, a property of minerals geologists call dimorphism.
Over thousands of years, a solid, almost perfectly round calcite pearl is formed.
Depending on the shape the calcite takes, it may be called by different names.
No longer able to hold the dissolved calcite, the drop deposited its tiny mineral load as a crystal of calcite.
Shale is usually composed largely of clay, but may also contain considerable calcite or even quartz.
British Dictionary definitions for calcite
a colourless or white mineral (occasionally tinged with impurities), found in sedimentary and metamorphic rocks, in veins, in limestone, and in stalagmites and stalactites. It is used in the manufacture of cement, plaster, paint, glass, and fertilizer. Composition: calcium carbonate. Formula: CaCO3. Crystal structure: hexagonal (rhombohedral)
(kāl'sīt') A usually white, clear, pale-yellow or blue orthorhombic mineral. Calcite occurs in many different forms and is the main component of chalk, limestone, and marble. It is a polymorph of aragonite. Chemical formula: CaCO3.