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Synonyms: Absolute Black Granite, Nero Assoluto Granite, Premium Black Granite, Indian Super Black Granite, Indian Dense Black Granite, Indian Jet Black Granite, Granito Nero Assoluto Indiano
A fine to medium-grained black basalt (dolerite) This stone internationally may be nominated as a granite however in the area of application of the European Standard (EN) this stone must be nominated as dolerite.
Dolerite: Dolerite is a mafic, holocrystalline, igneous rock equivalent to volcanic basalt or plutonic gabbro. In North American usage the term diabase refers to the fresh rock, whilst elsewhere the term dolerite is used for the fresh rock and diabase refers to altered material.