Marble is metamorphosed limestone, composed of fairly pure calcite (a crystalline form of calcium carbonate, CaCO₃). These are extensively utilized for sculpture, as a building material, and within several more applications.

False marble or even faux marbling is a wall painting technique that imitates a colour system of really marble (does'nt to exist as confused by using paper marbling). Marble dust may be combined by owning cement or even synthetic pulp to produce reconstituted or even cultured marble.

Toponym fallowing a stone include Marble Hill, Manhattan, New York, the Sea of Marmara, India's Marble Rocks and the towns of Marble, Minnesota and Marble, Colorado. A Elgin Marbles are marble sculptures taken from a Parthenon to Britain by the Earl of Elgin.

Origins

Marble occurs as metamorphic rock resulting from regional or even at days call for metamorphism of sedimentary carbonate rocks, either limestone or dolostone. This metamorphic run is the causal agent of the complete recrystallization of the original rock into an interlacing mosaic of calcite and/or dolomite crystals. A temperatures & pressures necessary to form marble ordinarily kill any fossils and sedimentary textures present in the original rock.

Pure whiten marble is the effect of metamorphism of super pure limestones. A characteristic swirls & veins of numerous coloured marble varieties come ordinarily due to various mineral impurities like clay, silt, sand, iron oxides, or chert which were originally present as grains or even shells in the limestone. Green coloration is typically imputable serpentine resulting from originally high mg limestone or even dolostone using silicon dioxide impurities. These various impurities st& been mobilized & recrystallized per incapacitating pressure and heat of the metamorphism.

Kinds of marble

A select few historically crucial rather marble, known as when a locations of their quarries, include:

Paros (Greece) Penteli (Greece) Carrara (Italy) Proconnesus (Turkey) Macael (Spain)

Whiten marbles, such as Carrara, own been prized for sculpture since classical days. This preference has to wash by having a softness & relative isotropy and homogeneity, and the proportional trend lines to shattering. Likewise, a moo stock of refraction of calcite allows light to penetrate many mm into a stone prior to existence scattered retired, following in the characteristic "waxy" look which gives "life" to marble sculptures of the frame.

Construction marble

In the construction trade, the term "marble" is utilized for any massive, crystalline calcitic rock (& a select few non-calcitic rocks) utile when building stone. For instance, Tennessee Marble is really a massive, extremely fossiliferous gray to pink to maroon Ordovician dolostone, known as a Holston Formation by geologists.

Etymology

A word "marble" derives from either a Greek marmaros, "shining stone" (OED). This stem is too a basis for the English word "marmoreal" significant "marble-like".

Three marble patterns available in a graphics program (the GIMP).

Cultural associations

When a preferred medium for Greek and Roman sculptors and designer, marble has turn into the ethnic symbol of tradition and refined taste. Its pleasantly varied & colorful system produce it the favored ornamental lesson, & come typically imitated — e.g. around background system for computer displays.

Within folklore, marble is associated by using a astrological sign of Gemini. Pure whiten marble is an emblem of purity. These are likewise an emblem of immortality, & an ensurer of profits inside education.