Tan Brown Granite
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Synonyms: Chestnut, Chestnut Brown, Cranberry Brown
Location: Tan Brown granite is quarried near Karimnagar, Andhra Pradesh, Western and Eastern Ghats, India.
Description: Tan Brown granite has black-brown cordieritefels with big, shapeless, brown-red feldspar crystals. This stone internationally may be nominated as a granite but in the area of application of the European Standard we are awaiting clarification.
Ideal for both interior and exterior use, Tan Brown granite is frost free and polish constant. There are two original quarries of Tan Brown granite however there are several look-a-like quarries therefore for large projects and matching ensure all the raw material comes from the same quarry.
Technical and Physical Characteristics:
Compression tensile strength: 1920 kg/cm2
Tensile strength after freeze-thaw cycles: 1810 kg/cm2
Water imbibition coefficient: 0.001500
Mass by unit of volume: 2720 kg/m3
Cordieritefels: A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar (90-100%), and a minimal mafic component (0-10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most commonly present.
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.