Granito Roriz, also known as Negro Nacional Granite, is a stunning natural stone known for its fine-grain texture and deep, nearly black coloration. Here's a description of Granito Roriz:

Color: The most prominent feature of Granito Roriz is its deep gray to nearly black color. It presents a rich and intense dark hue, which gives it a sense of elegance and sophistication. The granite's dark and consistent coloration makes it a versatile choice for various design applications.

Grain: Granito Roriz boasts a fine-grain texture, which contributes to its sleek and polished appearance. This fine-grained pattern provides a smooth and even surface that complements modern and contemporary design aesthetics.

Origin: This granite is quarried in Sanfins, Paços de Ferreira, a region in Portugal renowned for its high-quality granite production. The geological characteristics of this area contribute to the granite's exceptional quality and appearance.

Characteristics: Granito Roriz is highly regarded for its durability and resistance to wear and tear. It is a dense and hardwearing stone, making it suitable for a variety of indoor and outdoor applications. Its robust nature ensures that it can withstand the rigors of everyday use in areas with high traffic.

Applications: Granito Roriz, or Negro Nacional Granite, finds applications in both interior and exterior design. It is often used for kitchen countertops, bathroom vanity tops, flooring, wall cladding, and even outdoor paving. Its deep and uniform color, along with its durability, makes it a preferred choice for projects where a sleek and contemporary look is desired.

Versatility: Despite its dark color, Granito Roriz complements a wide range of design styles. It can add a touch of modern elegance to a space or create a bold contrast when paired with lighter elements. Its versatility allows it to adapt to different design preferences, from minimalist and contemporary to classic and traditional.

In summary, Granito Roriz, also known as Negro Nacional Granite, is a fine-grained, nearly black granite quarried in Sanfins, Paços de Ferreira, Portugal. Its deep color, fine grain, durability, and versatility make it a sought-after choice for a variety of interior and exterior design applications, contributing to a sense of sophistication and timeless beauty in any space.

Technical specifications
Water absorption 0.2% EN 1342: 2012
Bulk density 2700 kg/m3 EN 1342: 2012
Porosity 0.5 % EN 1342: 2012
Wear resistance Capon machine with 16.5 mm EN 1342: 2012
Slip resistance (dry / wet) USRV 82/67 USRV EN 1342: 2012
Resistance to ice melting - the icing salts not required EN 1342: 2012
Compressive strength (minimum expected value) 219 MPa EN 1342: 2012
Compressive strength after freeze / thaw (56 cycles) 231 MPa (before) 218 MPa (after) EN 1342: 2012
Not relevant Hazardous Substances (not required) EN 1342: 2012
Chemical treatment of surface Not applicable EN 1342: 2012