Vizag Blue Granite
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Synonyms: Andhra Blue, Azul Magnetic, Azul Vizag, Blue Vizag, Blue Vizag India, Brindel Blue, Ganga Blue, Gangablue, Vaizag Blue, Visag Blue, Vizac Blue, Vizag, Vizag Bleu, Vizag Blu, Vizak Blue, Vizaq Blue, Vizga Blue
Location: Vizag Blue granite is quarried at Tekkali, Vizag, Srikakulam, Vishakhapatnam, Andhra Pradesh, India. There are more than 40 quarries with varying shades from light to dark
Description: Vizag Blue granite is a fine-grained, blue-grey gneiss of the Precambrian period with small red garnets. 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 gneiss.
The veining and colour varies considerably and a small sample of Vizag Blue 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, Vizag Blue granite is frost free and polish constant.
Technical and Physical Characteristics:
Compression tensile strength: 1993 kg/cm2
Tensile strength after freeze-thaw cycles: 1590 kg/cm2
Unitary modulus of bending tensile strength: 111 kg/cm2
Water imbibition coefficient: 0,002250
Mass by unit of volume: 2623 kg/m3
Gneiss: A common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Gneissic rocks are usually medium to coarse-foliated and largely recrystallized but do not carry large quantities of micas, chlorite or other platy minerals. Gneisses that are metamorphosed igneous rocks or their equivalent are termed granite gneisses, diorite gneisses, etc.