Limestone

Black & Gold

Black & Gold is a Pakistani limestone from Balochistan with a deep black matrix and dramatic golden to amber-coloured vein lines. Polishable like a classic black marble — used for bookmatched wall surfaces, bathrooms, fireplace surrounds and prestigious interiors with an iconic black-and-gold look.

Limestone Pakistan 2.712 kg/m³

Available as: Slabs

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About Black & Gold

Black & Gold lives from its dramatic colour contrast: a dense, velvety deep black ground field is run through by strong golden to amber-coloured veins that condense into almost leopard-like patterns. Hence also the Italian trade name Leopardo. Unlike calmly figured black stones, Black & Gold reads as expressive and luxurious, with a visual effect that immediately shapes a room. It is precisely this iconic black-and-gold character that makes the stone interesting for bookmatched wall claddings, bathrooms, fireplace surrounds, backlit bar counters and prestigious interiors — everywhere the material is intended to act as the luxurious lead player.

Geologically, Black & Gold is a dense, polishable limestone from the province of Balochistan in Pakistan. The region has been producing high-grade black carbonate limestones with characteristic golden vein figuring for decades — geologically these are marine carbonate deposits with embedded iron- and manganese-bearing mineral veins that light up golden-yellow to amber when polished. The fine-grained, closed structure permits a very high-grade polish, which is why the material is carried in many ranges as a black marble with a gold vein, although it behaves like a classic polished limestone. On the market the material also runs under the trade names Black and Gold, Leopardo and Pakistani Black and Gold.

Technically, Black & Gold behaves like a high-grade polished limestone: bulk density 2,712 kg/m³, compressive strength 186.2 MPa, water absorption 0.74 %. Mechanical load-bearing capacity is good for wall and floor applications, but wear resistance does not reach the values of true hard rocks. Chemically, the stone remains acid-sensitive — wine, lemon juice, vinegar or acidic sanitary cleaners leave etch marks on the polished surface. The polished surface is not durable outdoors; the material is classically used as an internal material.

At ROSSITTIS we carry Black & Gold as a raw slab for bookmatched wall claddings, bathrooms and vanity tops, in tiles for wall and floor areas, as treads and risers, window sills, skirtings, fireplace claddings and project-specific cutting. The application decides the choice of finish: polished emphasises the deep black matrix and the golden vein contrast most strongly — the first choice for bookmatching and prestigious bathrooms. The finishes currently available from stock are listed in the »Finishes« block further down this page. With bookmatched laying, the mirrored golden veins generate dramatic, almost organic patterns — one of the most spectacular bookmatch looks in the black material spectrum.

Compared with classic Italian Portoro marbles (black with gold), Black & Gold brings more density and more expressive vein figuring — more dramatic and more contrasting. Against Bruno Perla (Turkish dark limestone with a gold vein), Black & Gold reads as even more intensely black and with more pronounced gold figuring. For luxurious statement applications with an iconic black-and-gold effect, Black & Gold is a very fitting choice.

Technical data

Guide values for the stone type, taken from manufacturer and test reports. Natural stone is a natural product — individual batches and slabs can differ. For critical applications, request slab-specific test data.

Rohdichte 2.712 kg/m³

Druckfestigkeit 186,2 MPa

Wasseraufnahme 0,74 %

Finishes

Black & Gold is available in a range of finishes. The finish affects appearance, feel and the care it needs.

Poliert

Politur ist die klassischste Veredelung für Marmor und Kalkstein — eine glänzende Oberfläche mit höchstmöglicher Farbintensität und ausgeprägter Tiefenwirkung der Aderung. Je nach mineralischer Zusammensetzung kann die Wirkung stellenweise mattglänzend sein. Säureempfindlich — Wein, Zitrone und Essig hinterlassen Ätzspuren bei längerer Einwirkung.

Care & fabrication

Black & Gold is an acid-sensitive limestone. Wine, lemon juice, vinegar, cola, sanitary cleaners or descalers leave etch marks on the polished surface — visible as matt shadows or loss of gloss. On the dark surface, changes are visually particularly noticeable because they are not concealed by pale vein figuring.

For all applications, sealing on a silane or polysiloxane basis is mandatory. It prevents the penetration of water, oil and dyes and reduces staining — but it does not remove the acid sensitivity. On polished surfaces we recommend refreshing the sealer every 1-2 years.

Daily care is carried out with a pH-neutral natural stone cleaner and a soft microfibre cloth. On dark surfaces you should not work too wet and should take up residues cleanly with a dry cloth so that no streaks form. Avoid acidic cleaners, descalers, vinegar and aggressive specialist chemicals.

Wine, coffee, oil, lemon juice or cosmetic products should not be left to act on polished surfaces for long — wipe off immediately and wipe over with clear water. For bar counters we recommend coasters for all types of glass and consistent cleaning after every use.

For kitchen worktops Black & Gold is only conditionally suitable. Anyone who loves the iconic black-and-gold material image and accepts patina as character can use the material in show kitchens. For carefree black kitchen worktops we recommend a black granite or a black hard rock.

For permanently weathered external surfaces the material is not suitable. Indoors it is stable over the long term with proper care.

Frequently asked questions

Is Black & Gold suitable for a kitchen?

Conditionally. As an acid-sensitive limestone it works as a kitchen worktop only with accepted patina, consistent sealing and immediate removal of acids. Anyone who loves the iconic black-and-gold material image can use the material in show kitchens. For carefree black kitchen worktops we recommend a black granite such as Nero Assoluto or a black hard rock such as Toros Siyah.

What finishes are available in Black & Gold?

The finishes currently available from stock are listed in the »Finishes« block on this page.

Where does Black & Gold come from?

Black & Gold comes from the province of Balochistan in Pakistan. Geologically it is a marine carbonate limestone with iron- and manganese-bearing mineral veins that light up golden-yellow to amber when polished. Internationally the material also runs under the trade names Leopardo, Black and Gold and Pakistani Black and Gold.

What is the difference from Portoro marble?

Both are acid-sensitive black limestones with golden veins. The Italian Portoro from Liguria is the historic classic with finer, largely diagonal golden veins on a black ground. Black & Gold from Pakistan shows markedly more expressive, almost leopard-like vein figuring with stronger golden bands and patches — more dramatic and more contrasting in effect.

How do I clean and care for Black & Gold?

Sealing is mandatory. Daily care with a pH-neutral natural stone cleaner and a microfibre cloth. On dark stone, wipe over with a dry cloth so that no streaks remain. Consistently avoid acidic cleaners, descalers, vinegar and citric acid. Wipe off wine, coffee or oil immediately.

Is Black & Gold frost-resistant and suitable for external use?

For permanently weathered external surfaces Black & Gold is not suitable — as a limestone it reacts sensitively to de-icing salt and acidic precipitation, and polished external surfaces lose their gloss over the years. The material is classically an internal stone.

Black & Gold or Bruno Perla — which fits better?

Both are acid-sensitive dark limestones with golden vein figuring. Bruno Perla from Turkey is more dark grey to black with more even golden veining. Black & Gold from Pakistan is markedly deeper black with more expressive, stronger golden bands — more dramatic and more contrasting. For calm, luxurious rooms Bruno Perla; for an iconic statement look Black & Gold.