Verde Seaweed Green Granite
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Synonyms: Ceeweed Green, Pocono Green, Sea Weed Green, Seawed Green, Seawwed Green, Sewed Green, Titanic Green
Location: Verde Seaweed Green is quarried near Titlagarh, Orissa, West and East Ghats, India.
Description: Verde Seaweed Green granite is probably a dark green charnockite. 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 charnockite.
The veining and colour varies and a small sample of Seaweed Green granite may not be representative of the whole slab therefore 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, Seaweed Green granite is frost free and possibly polish constant outside.
Seaweed Green granite can be a very problematical granite to process and may need resining and glassfibre backing.
Technical and Physical Characteristics:
Compression tensile strength: 2607 kg/cm2
Tensile strength after freeze-thaw cycles: 1973 kg/cm2
Unitary modulus of bending tensile strength: 134 kg/cm2
Water imbibition coefficient: 0.002300
Mass by unit of volume: 2751 kg/m3
Charnockite: A hypersthene granite typical of Precambrian assemblages that contain migmatites. Charnockite is composed of orthoclase, oligoclase, quartz, and hypersthene; it also often includes the garnets almandine and pyrope, as well as biotite, magnetite, and other minerals. Two types of charnockites are distinguished: ferrohypersthene charnockite and garnet charnockite.