Laguna Black Marble

About
Item Details
- Material Type:
- Marble
- Origin:
Spain (Alconera, Badajoz) - Recommended Usage:
- Kitchen and bathroom countertops, wash basins, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces
- Additional Names:
- Marmol Negro Laguna, Alconera Black Marble
- Finished Surface:
- Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Testing
- Water Absorption:
- 0.1 %
- Density:
- 2730 kg/m³
- Flexural Strength:
- 17.8 MPa
- Compressive Strength:
- 148 MPa
Description
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


















