Verde Star Granite
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Synonyms: Hasan Green, Hassen Green, Verde Fiorito
Location: Verde Star granite is quarried near Dumgere, Hassan, Westghats, Karnataka, West and East Ghats, India.
Description: Verde Star granite is a medium-grained, dark grey-green syenite with white graining. This stone internationally may be nominated as a granite but in the area of application of the European Standard this stone must be nominated as a syenite.
A small sample of Verde Star granite is usually representative not having a wide variation in colour and veining however swatch samples must be approved for large projects to ensure that the blocks are all extracted from the same quarry face for matching purposes. Ideal for both interior and exterior use, Verde Star granite is frost free and polish constant.
Technical and Physical Characteristics:
Compression tensile strength: 2525 kg/cm2
Unitary modulus of bending tensile strength: 146 kg/cm2
Water imbibition coefficient: 0.002600
Impact strength: 70 cm
Mass by unit of volume: 2636 kg/m3
Syenite: A coarse-grained intrusive igneous rock of the same general composition as granite but with the quartz either absent or present in relatively small amounts (<5%). The feldspar component of syenite is predominantly alkaline in character (usually orthoclase). Plagioclase feldspars may be present in small quantities, less than 10%.