Granite | Properties, Formation, Composition, Uses
Colour: Pink-grey. Structure: Massive, confining. Texture: phaneritic (medium to coarse grained). , holocrystalline, pan-hypidiomorphically grained, porphyric in places. Alterations: The rock is unaltered, feldspars are rarely sericitized Major minerals of Granite: Orthoclase, quartz, biotite, muscovite and plagioclase, which is twinned according to the albite law and oscillatory zoned.