Marble is a metamorphic rock formed from recrystallized limestone or dolomite, prized in architecture for its fine grain, ability to take a high polish and characteristic veining. Quarried since antiquity at sites such as Carrara in Italy and Pentelicus and Paros in Greece, it clad and structured many of the classical world's most significant temples and later furnished columns, floors, wall veneer and sculpture for buildings from the Renaissance onward. Its calcium-carbonate composition makes it vulnerable to acid rain and pollution, which etches its polished surface, so most modern use is as a thin decorative veneer over a structural backing rather than as a solid load-bearing material.
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Mies used freestanding slabs of Tinos green marble and golden onyx as the pavilions defining spatial dividers.
Its columns and lower walls are faced in colored marble and marble revetment quarried across the empire.
Faced in white Makrana marble, the material most associated with the mausoleum worldwide.
Sources
Wikipedia
Wikimedia FoundationWikipedia: MarbleQuote, Wikipedia: Marble
Marble is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO3) or dolomite (CaMg(CO3)2) that have recrystallized under the influence of heat and pressure.
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