Laguna Black Marble is an intense and uniform deep black marble, featuring scarce, subtle white veining. Its sleek, dramatic look makes it highly valued for high-contrast design projects and prestigious or representative spaces, including luxury interiors, public buildings, and architectural features.

Origin / Quarry: Alconera, Badajoz, Spain

Color: Deep uniform black

Pattern: Predominantly solid black with minimal white veins

Texture: Fine-grained, compact, crystalline

Physical-Mechanical Properties

(typical values, real results for Negro Laguna; validation recommended per batch)

• Apparent Density (EN 1936): ≈ 2,730 kg/m³
• Open Porosity (EN 1936): ≈ 0.2 %
• Water Absorption at Atmospheric Pressure (EN 13755): ≈ 0.1 %
• Compressive Strength (EN 1926): ≈ 148 MPa
• Flexural Strength (EN 12372): ≈ 17.8 MPa
• Abrasion Resistance (EN 14157): ≈ 20.5 mm
• Frost Resistance (EN 12371, 168 cycles): 0 %
• Impact Resistance (UNE-EN 14158:2004): ≈ 2 J
• Thermal Shock Resistance (UNE-EN 14066:2013): ≈ –1.3 %
• Reaction to Fire (EN 13501-1): A1 – Non-combustible
• Hardness, Mineralogy & Chemistry Mohs Hardness: ≈ 3–3.5

Mineral Composition (% by weight):

• Calcite (CaCO₃): ≈ 98–99 %
• Accessory minerals (quartz, graphite, mica): ≈ 1–2 %

Chemical Composition (% by weight):

• CaCO₃: ≈ 97–98 %
• SiO₂: ≈ 0.5–1.5 %
• MgCO₃: ≈ 0.5–1 %
• Fe₂O₃ + MnO + trace oxides: < 0.5 %

Applications & Usage

• Flooring and wall cladding (interior & exterior)
• Stairs, thresholds, skirting, handrails
• Kitchen countertops, bathroom vanities, and furniture tops
• Public and representative spaces (lobbies, offices, hotels)
• Monuments and decorative features

Maintenance

• Clean with pH-neutral cleaners; avoid acidic products
• Seal polished and honed surfaces for added protection against stains
• Dusting and damp-cloth cleaning recommended

Available Sizes & Surface Finish Options

Slabs:

• Thickness: 20 mm, 30 mm (custom thickness available)
• Dimensions: 250–300 cm x 140–200 cm

Cut-to-Size

• Tiles: 30x30, 40x40, 60x30, 60x40, 60x60 cm
• Thickness: 10 mm, 15 mm, 20 mm

Surface Finishes: Polished, Honed, Satin, Brushed, Sanded, Tumbled, Bush-hammered