Steel Grey Granite
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Synonyms: Silver Pearl, Steal Grey, Steel Gray
Location: Steel Grey granite is quarried near Gurujepalli, Chilakaluripeta, Ongole, Guntur District, Andhra Pradesh, India.
Description: Steel Grey granite is a coarse-grained, dark grey gabbro. 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 gabbro. Ideal for both interior and exterior use, Steel Grey granite is frost free and polish constant.
Gabbro: A dark-colored, coarse-grained intrusive igneous rock. Gabbro is very similar to basalt in its mineral make up. It is composed mostly of the mineral plagioclase feldspar with smaller amounts of pyroxene and olivine.