Black Sao Brasil

Über Black Sao Brasil

Black Sao Brasil, sold in European trade as Preto Sao Gabriel (DNSA 3372), is a Precambrian gabbro from Sao Gabriel de Baunilha, Espirito Santo, Brazil. Medium-grained, non-directional structure; mineralogy: ~65% plagioclase, 15-20% augite, 10% biotite. Density 2950 kg/m3, compressive strength 129 MPa (frost: 143.6 MPa), flexural 25.7 MPa, water absorption 0.33%. Frost- and acid-resistant. Polish is durable outdoors, making it suitable for exterior cladding and paving as well as interior use.