The Gabbric Anorthosite - the geological designation of the granite quarried in the Ongole district, the state of Andhra Pradesh in Southern India, called popularly Black Galaxy, Star Galaxy, Galaxy granite, Ongole Galaxy or, lately and aggregately, black backgrounds with stars galaxy granite - is a type of granite distinguished by its dense black background, 'lit' by innumerable golden specks that may be small, medium or large. The ferrous Enstatine is accountable for both their color and iridescence.