The stone is a unit of mass. It is part of the Imperial system of weights and measures used in the United Kingdom, and formerly used in several Commonwealth countries. It is equal to 14 pounds (more precisely avoirdupois pounds), or approximately 6.35 kilograms.
Eight stone make a hundredweight in the Imperial system.
When used as the unit of measurement, the plural form of stone is correctly stone (as in, "11 stone"), though stones is sometimes used, but not usually by British natives. The abbreviation is st. When describing the units, the correct plural is stones (as in, "Please enter your weight in stones and pounds").
Granite (pronounced /ˈɡrænɪt/) is a common and widely occurring type of intrusive, felsic, igneous rock. Granite has a medium to coarse texture, occasionally with some individual crystals larger than the groundmass forming a rock known as porphyry. Granites can be pink to dark gray or even black, depending on their chemistry and mineralogy. Outcrops of granite tend to form tors, and rounded massifs. Granites sometimes occur in circular depressions surrounded by a range of hills, formed by the metamorphic aureole or hornfels.
Granite is nearly always massive (lacking internal structures), hard and tough, and therefore it has gained widespread use as a construction stone. The average density of granite is 2.75 g/cm3 and its viscosity at standard temperature and pressure is ~4.5 • 1019 Pa•s [1]
The word granite comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a crystalline rock.
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Giannini Graniti SA
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