A Rock Marble

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A rock marble.

Marble marble is a metamorphic rock formed when limestone is exposed to high temperatures and pressures. Commercially it includes all decorative calcium rich rocks that can be polished as well as certain serpentines verd antiques. Marble forms under such conditions because the calcite forming the limestone recrystallises forming a denser rock consisting of roughly equigranular calcite crystals. It is composed primarily of the mineral calcite caco 3 and usually contains other minerals such as clay minerals micas quartz pyrite iron oxides and graphite under the conditions of metamorphism the calcite in the limestone recrystallizes to form a rock that is.

The variety of colours exhibited by marble are a consequence of minor amounts of impurities being incorporated with the. Marble is a metamorphic rock composed of recrystallized carbonate minerals most commonly calcite or dolomite marble is typically not foliated although there are exceptions in geology the term marble refers to metamorphosed limestone but its use in stonemasonry more broadly encompasses unmetamorphosed limestone. Marble granular limestone or dolomite i e rock composed of calcium magnesium carbonate that has been recrystallized under the influence of heat pressure and aqueous solutions. Marble is commonly used for sculpture and as a building material.

The many uses of marble used in monuments crushed stone cosmetics pharmaceuticals and more. Marble is a granular metamorphic rock it is derived from limestone or dolomite and it consists of a mass of interlocking grains of calcite or the mineral dolomite. The taj mahal is one of the most beautiful and famous buildings in the world. Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism.

It was built between 1632 and 1653 as a mausoleum for mumtaz mahal. Petrographically marbles are massive rather than thin layered and consist of a.