Cafe Bahia

Cafe Bahia is a Brazilian syenite from Riacho de Santana in Bahia with a warm coffee-brown to dark grey ground tone, shot through with silver-grey microcline feldspar speckles and black biotite and augite minerals. Also traded internationally as Bahia Imperial, New Imperial Brown, Marron Bahia, Brown Bahia and Bahia Coffee; used for kitchen worktops, bar counters, floors, wall cladding, façades and prestige interior and exterior surfaces with a warm, natural character.

Cafe Bahia ist petrographisch ein Syenit (plutonisches Magmagestein mit niedrigem Quarzanteil von 5 % und Dominanz des Mikroklin-Feldspats mit 55 %), wird im Handel jedoch als Granit geführt (DNSA #4309).

Syenite Brazil Frostbeständig Säurebeständig 2.730 kg/m³

Available as: Tiles and flooring slabs

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About Cafe Bahia

Cafe Bahia lives on a warm, naturally earthy material effect with an even, massive granular structure. The ground tone is a deep coffee brown to chocolate brown with subtle anthracite undertones, shot through with silver-grey microcline feldspar crystals that set a fine, cool counterpoint to the warm ground mass under direct light. Black and dark grey mineral areas (biotite mica and augite pyroxene) are finely distributed across the whole slab surface — they give the composition depth and movement without falling into dramatic bands or veins. Unlike more expressive Brazilian migmatites with flowing bands, Cafe Bahia stays quiet and even in its slab pattern — a timelessly warm statement stone that does not polarise but works as an accessible, elegant background. The surface finishes currently held in stock are listed in the »Finishes« block further down.

Geologically, Cafe Bahia is a Precambrian syenite from the Riacho de Santana quarry in the Brazilian state of Bahia — DNSA-confirmed under entry #4309. Its mineral composition distinguishes it clearly from a classic granite: 55 % microcline (the potassium feldspar that gives it its name, in a silver-grey colouring), 15 % augite (a dark pyroxene), 15 % biotite mica, 5 % ore minerals and only 5 % quartz. This low quartz component and the dominance of microcline feldspar make the stone technically a syenite, not a classic granite. In international trade, syenite is traditionally carried within the granite family, and Cafe Bahia is marketed accordingly under several synonyms: Cafe Bahia Granite, Bahia Imperial, New Imperial Brown, Marron Bahia Granite, Brown Bahia Granite, Caffe Bahia, Bahia Coffee and Cafe Brown. In the Chinese market the stone is called 巴西紫水晶 (Bāxī Zǐ Shuǐjīng). At ROSSITTIS we classify Cafe Bahia, as is customary in the trade, as a granite. Important for identification: there is a second Brazilian stone called Labrador Cafe (DNSA #3114) from Santa Rita de Caldas in Minas Gerais, which uses 'Cafe Bahia' as a trade alias — at ROSSITTIS, however, this is the classic Riacho de Santana syenite. A Chinese imitation called Chinese Cafe Bahia Granite (Shandong/China) is likewise not identical with the Brazilian original.

Technically, Cafe Bahia shows excellent values for a Brazilian syenite. Bulk density is 2,730 kg/m³, compressive strength 165 MPa (even 174 MPa after freeze-thaw exposure — a sign of exceptional weather stability), flexural strength 19.3 MPa, water absorption a low 0.16 % and porosity 0.44 %. The coefficient of thermal expansion is 0.88 mm/m/100K. Mohs hardness is 6. Abrasion resistance to the Italian standard is 0.30 — a very good value. DNSA explicitly confirms frost resistance, acid resistance and durability of the polish outdoors as well. Cafe Bahia is therefore fit for everyday use all round: wine, lemon juice, vinegar or acidic bathroom cleaners leave no etch marks.

At ROSSITTIS we carry Cafe Bahia as an unsized slab for kitchen and bathroom worktops, bar counters, wall cladding, fireplace surrounds and prestige statement surfaces, in tiles for floor and wall applications, as tread and riser for stairs, and as window sill, skirting, fountain element, pool coping and for project-specific cutting. The stone is also ideally suited to external façades and terraces — the DNSA-confirmed durability of the polish even permits polished external surfaces without loss of gloss. The surface finishes currently held in stock are listed in the »Finishes« block further down.

Compared with classic brown granite classics such as Tan Brown (an Indian granite, evenly fine-grained) or Imperial Brown, Cafe Bahia brings a deeper, coffee-brown ground tone with more pronounced silver-grey feldspar speckling. Compared with other syenites such as Black Pearl (an Indian syenite from Gurajapally), Cafe Bahia is markedly warmer in ground tone, with a clear coffee brown rather than a deep black. For architectural projects with a warm, natural atmosphere — modern kitchens with a warm timber-and-stone mix, hotel lobbies with earthy warmth, office façades, floors in prestige public spaces, pool areas and external façades — Cafe Bahia is a very widespread and readily available choice among the warm brown Brazilian hard rocks.

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 2.730 kg/m³

Druckfestigkeit 165,0 MPa

Biegezugfestigkeit 19,3 MPa

Wasseraufnahme 0,16 %

Frostbeständig Ja

Säurebeständig Ja

Suitability by application

Finishes

Cafe Bahia is available in a range of finishes. The finish affects appearance, feel and the care it needs.

Poliert

Politur ist die klassischste Veredelung im Hartgesteinsegment — eine spiegelglatte, hochglänzende Oberfläche mit höchstmöglicher Farbintensität und maximaler Tiefenwirkung der Mineralstruktur. Als säurebeständiges Silikatgestein ist polierter Granit pflegeleicht und für Küchenarbeitsplatten, Wandverkleidungen und repräsentative Sichtflächen erste Wahl.

Care & fabrication

As a Brazilian syenite, Cafe Bahia is an exceptionally robust hard rock with low water absorption (0.16 %), DNSA-confirmed acid resistance and frost resistance, and the particularity that its compressive strength even rises slightly after freeze-thaw exposure (165 MPa → 174 MPa) — a sign of unusual weather stability. Wine, lemon juice, vinegar, cola, bathroom cleaners or descalers leave no etch marks as they would on marble or limestone.

For interior applications we recommend a silane- or polysiloxane-based sealer at first installation. On polished surfaces, 5-10 years can pass between sealer refreshes depending on use; on heavily used kitchen worktops or external applications, check every 2-3 years. Sealing protects against deep penetration by oil, grease and pigments — on the lighter microcline feldspar speckles, discolouration can otherwise show, while the warm brown ground mass visually disguises soiling.

Daily care is carried out with a pH-neutral natural stone cleaner and a soft cloth or microfibre mop. Clear warm water is usually sufficient. Acidic cleaners are in principle unproblematic, but should nevertheless not be used, because they can attack the sealer. The surface finishes currently held in stock are listed in the »Finishes« block further down.

For kitchen worktops, Cafe Bahia is very well suited: cut- and scratch-resistant, not sensitive to heat (hot pots and pans can be set down directly for short periods, though longer heat exposure above 200 °C should still be avoided), DNSA-confirmed acid-resistant and with good stain repellency. The expressive mineral distribution disguises small marks of use astonishingly well.

The surface finishes currently held in stock are listed in the »Finishes« block further down. The low water absorption (0.16 %) and the compressive strength that even rises slightly after freeze-thaw exposure make the stone fully weather-stable — ideally suited to external façades, terraces, stairs and pool areas.

For pool surrounds, external terraces and fountain surrounds, a slip-resistant textured finish is mandatory — on smooth external surfaces there is a high risk of slipping when wet. In areas with frequent salt contact (de-icing salt, pool chlorine) we recommend an additional annual refresh of the sealer.

Frequently asked questions

What is Cafe Bahia geologically — granite or syenite?

Geologically, Cafe Bahia is a Precambrian syenite, a plutonic igneous rock with a markedly lower quartz content (only 5 %) than a classic granite. Its mineral composition (55 % microcline, 15 % augite, 15 % biotite, 5 % ore minerals) is DNSA-confirmed under entry #4309. In international trade and at ROSSITTIS the stone is carried within the granite family, because it offers the same technical properties (hardness, acid resistance, frost resistance) and is fabricated similarly. Other well-known syenites in the range are Black Pearl (an Indian syenite) and Nero India Premium.

Is Cafe Bahia suitable for a kitchen worktop?

Very well suited. With a Mohs hardness of 6, low water absorption (0.16 %), a compressive strength of 165 MPa (174 MPa after frost exposure) and DNSA-confirmed acid resistance, Cafe Bahia is cut-, scratch- and heat-resistant and does not absorb the acids in wine, lemon or vinegar. The expressive warm brown mineral distribution disguises small marks of use astonishingly well. For a kitchen worktop with a warm, inviting character and full everyday suitability, the stone is a very fitting choice. For surfaces that are extra tolerant of fingerprints we recommend a more matt surface finish rather than polished.

Which finishes are available for Cafe Bahia?

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

Where does Cafe Bahia come from?

Cafe Bahia comes from the Riacho de Santana quarry in the Brazilian state of Bahia — one of the world's most productive natural stone regions. The stone is DNSA-confirmed under entry #4309. Internationally the material also runs under Bahia Imperial, New Imperial Brown, Marron Bahia Granite, Brown Bahia Granite, Cafe Brown, Caffe Bahia and Bahia Coffee. Important: there is a second Brazilian stone (Labrador Cafe, DNSA #3114, from Santa Rita de Caldas/Minas Gerais) that uses 'Cafe Bahia' as a trade alias, and a Chinese imitation from Shandong — at ROSSITTIS, however, this is the classic Riacho de Santana syenite.

How do I clean and care for Cafe Bahia?

As a syenite, Cafe Bahia is very easy to look after: daily care with a pH-neutral natural stone cleaner and a microfibre cloth is sufficient. We recommend sealing at first installation; for interior applications a refresh interval of 5-10 years depending on use, and on heavily used kitchen worktops or outdoors, check every 2-3 years. Acidic cleaners are in principle unproblematic, but should nevertheless not be used. Dry cleaning with a soft microfibre cloth after damp wiping is advisable.

Is Cafe Bahia frost-resistant and suitable for outdoor use?

Yes, very well suited — and with one particularity: DNSA confirms not only frost resistance but documents that the compressive strength even rises slightly after freeze-thaw exposure (from 165 MPa to 174 MPa). DNSA also confirms the durability of the polish outdoors. With its low water absorption (0.16 %), the stone is fully weather-stable — ideally suited to external façades, terraces, stairs and pool areas. For external applications, even a polished finish can be used without the gloss being quickly lost.

Cafe Bahia or Tan Brown — which suits better?

Both are warm brown hard rocks, both carried in the trade as granite, but with a clearly different character. Tan Brown (an Indian granite) is a classic fine-grained granite with an evenly warm brown ground tone and fine black mineral points — very quiet, classic and accessible. Cafe Bahia (a Brazilian syenite) is medium- to coarse-grained with more pronounced silver-grey microcline feldspar speckling, a markedly more expressive mineral distribution and a deeper coffee-brown ground tone — somewhat more dramatic and more emphatic in material character. For classically restrained warm brown elegance, Tan Brown; for an expressive warm brown material effect with a feldspar statement, Cafe Bahia.