Azul Lourinha Limestone

Azul Lourinha Limestone is a captivating natural stone quarried in Lourinha, Aljubarrota, Alcobaca, Portugal. This limestone is characterized by its blue-gray background with fine to medium grains and subtle cloud-like patterns, occasionally highlighted by delicate white veins and fossilized elements, giving it a distinctive and elegant appearance.

Texture & Pattern:

• Texture: Fine to medium-grained with a smooth and consistent surface.
• Pattern: Subtle blue-gray shades with soft cloud-like movements and occasional fossil traces, enhancing its natural charm. 

Test Results & Physical Properties:

• Water Absorption: 0.29% - 0.50% by weight
• Density: 2690 kg/m³
• Compressive Strength: 143.1 - 147.1 MPa
• Flexural Strength: 14.7 - 28.6 MPa
• Hardness (Mohs): 3.0 – 4.0
• Porosity: Low to medium, ensuring durability and minimal moisture absorption.

Slip Resistance:

• Polished Finish: Moderate slip resistance (interior applications).
• Honed/Brushed Finish: Higher slip resistance, suitable for wet and outdoor areas.

Chemical & Mineral Composition (% by weight):

• Calcium Carbonate (CaCO3): 92% - 95%
• Silica (SiO2): 3% - 4%
• Iron Oxide (Fe2O3): 0.3% - 0.5%
• Magnesium Oxide (MgO): 0.4% - 0.6%
• Alumina (Al2O3): 0.3% - 0.5% 

Applications & Usage:

• Interior Applications: Flooring, wall cladding, and decorative accents. Kitchen countertops and bathroom vanities. Fireplace surrounds and staircases.
• Exterior Applications: Facades, paving, and landscaping features. Pool surrounds and patios (honed/brushed finishes recommended for slip resistance). 

Maintenance & Care:

• Cleaning: Use mild pH-neutral cleaners. Avoid acidic or abrasive agents.
• Sealing: Periodic sealing is recommended, especially for high-traffic and wet areas, to protect against stains and moisture absorption.
• Polishing/Restoration: Can be re-polished to restore the original luster if necessary.

Cutting Sizes (cm & inch):

• Standard Slab Sizes: 250-320 cm x 120-200 cm
• Tile Sizes: 30x30 cm, 30x60 cm, 40x40 cm, 60x60 cm, 60x120 cm, and custom sizes available.
• Thickness Options: 2 cm, 3 cm, and custom thicknesses available upon request.

Surface Finish Options:

• Polished: Glossy, enhancing natural color and veining.
• Honed: Matte and smooth, offering a subtle and natural appearance.
• Brushed: Textured and slip-resistant, ideal for outdoor applications.
• Sandblasted: Rough surface, enhancing slip resistance for exterior use.
• Leathered: Textured with a slight sheen, adding character and depth.
• Tumbled: Aged and rustic appearance with softened edges. 

Shipping & Packaging:

• Packing: Secured in wooden crates with foam and plastic protection for slabs and tiles.
• Lead Time: 3-5 weeks depending on order volume and customization.

Azul Lourinha Limestone’s durability, unique aesthetic, and versatility make it a preferred choice for both residential and commercial projects, offering an elegant and sophisticated finish.