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Carrara marble, or Luna marble (marmor lunense) to the Romans, is a type of white or blue-grey marble popular for use in sculpture and building decor. It has been quarried since Roman times in the mountains just outside the city of Carrara in the province of Massa and Carrara in the Lunigiana, the northernmost tip of modern-day Tuscany, Italy.
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO 3). It is a very common mineral, particularly as a component of limestone. Calcite defines hardness 3 on the Mohs scale of mineral hardness, based on scratch hardness comparison. Large calcite crystals are used in optical equipment, and limestone composed ...
Daleti marble, Western Welega: white, white with grey veins and other colours [1] Enda Tikurir marble, Western Tigray. Newi marble, Central Tigray. Akmara marble, Central Tigray. Dichinamo marble, Western Tigray.
Egyptian faience is a non-clay based ceramic composed of crushed quartz or sand, with small amounts of calcite lime and a mixture of alkalis, displaying surface vitrification due to the soda lime silica glaze often containing copper pigments to create a bright blue-green luster. [7]
Quartz. Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO 4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO 2. Quartz is, therefore, classified structurally as a framework silicate mineral ...
This sculpture was on the Arch of Constantine; it was removed in the 18th century because of damage and replaced by a copy in white marble. Previously, it was in the Forum of Trajan. Pavonazzo marble, also known as Pavonazzetto, Docimaean marble or Synnadic marble, [1] is a whitish marble originally from Docimium, or modern İscehisar, Turkey ...
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