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Green ubatuba is the commercial name of a Brazilian charnockite, although it is often sold as a granite. It comes from the Ubatuba area of Brazil, where it forms part of the Neoproterozoic Ribeira Belt. As its name indicates, it is green in color, dark green and almost a black appearance when seen in low light. It contains large phenocrysts of alkali feldspar. It is widely used in home renovations and landscaping.
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