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Portugal · Marble

Negro de Portugal

also known as Black Portugal Marble, Nero Portogallo, Portuguese Black, Preto de Barrancos

A dense, uniform black to dark grey marble from southern Portugal, primarily from the Alentejo region near Barrancos. Portugal is one of Europe's major natural stone exporters — renowned globally for its limestone (Moca Cream, Moleanos) — but its dark marble is a distinctive counterpoint: deep charcoal-to-black, very fine grain, excellent polish. Used in luxury interiors, public facades, and as a dramatic contrast pairing with Portuguese cream limestones. Known in trade also as 'Preto de Barrancos' or 'Nero Portogallo'.

Origin
Alentejo / Barrancos area, southern Portugal, Portugal
Stone type
Marble
Density
2.75 g/cm³
Look
dark, dramatic, crystalline, luxury, architectural
Finishes
polished, honed, sandblasted
Formats
slab, tile, cut-to-size, facade-panel
Exterior use
Suitable — dense, exterior-grade

Type-level physical facts shown. Per-lot lab values (absorption, flexural strength) confirmed at quotation.

Good to know

Is Negro de Portugal the same as Nero Marquina?

No — they are quarried in different countries (Portugal vs Spain) and differ in geological origin. Nero Marquina is famous for its distinctive white veining; Negro de Portugal is typically more uniformly dark with fewer pronounced veins. Both are premium black stones of Iberian origin.

Is Portugal a reliable source for natural stone export?

Yes — Portugal has one of Europe's most developed natural stone export industries, with extensive infrastructure for slabbing, cutting and international shipping. The country exports to over 100 countries, and Portuguese stone companies are well-established at international trade fairs.

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