Carmen Red Granite
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Synonyms: Carmen Rot, Garmen Red, Carmen Rot, Red Carmen, Rojo Carmen, Rosso Carmen Red, Virolahden Punainen
Location: Carmen Red granite is quarried near Virolahti, Virojoki, Finland.
Description: Carmen Red granite is a Commercial name for a coarse-grained, brown-red granite of the Precambrian periodm with rounded, big red orthoclase crystals. This stone internationally may be nominated as a granite and in the area of application of the European Standard this stone must be nominated as a granite. Ideal for both interior and exterior use, Carmen Red granite is frost free and polish constant.
Mineral Composition: Orthoclase: 50%, Quartz: 36%, Plagioclase: 9%, Biotite: 5%.
Compression tensile strength: 1928 kg/cm2
Tensile strength after freeze-thaw cycles: 1784 kg/cm2
Unitary modulus of bending tensile strength: 158 kg/cm2
Heat expansion coefficient: 0.0084 mm/m°C
Water imbibition coefficient: 0.001800
Impact strength: 50 cm
Mass by unit of volume: 2625 kg/m3
Granite: Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granites are usually medium to coarse grained, occasionally with some individual crystals larger than the groundmass forming a rock known as porphyry. Granites can be pink to dark grey or even black, depending on their chemistry and mineralogy.