Description

A symbol of classical monumentality and contemporary luxury, marble combines exceptional structural compactness with unique ease of sculpting. Its mirror-like surfaces and unpredictable veining make each slab a unique geological work of art.

01Metamorphism and Crystallization

Geologically, marble originates from sedimentary limestone or dolomitic rocks. Subjected for millions of years to immense pressure and temperatures in the tectonic movements of the Earth’s crust (metamorphism), the original fossil or stratified structures are destroyed. Calcium carbonate recrystallizes, forming a dense mosaic of calcite crystals. A perfectly pure marble is crystalline white; the famous veins are actually mineral impurities that migrated and crystallized forming wavy patterns.

02Workability and Chemical Sensitivity

Unlike granite or quartz, marble has a relatively low hardness (3-4 on the Mohs scale). This mechanical softness gives it an absence of directional cleavage, allowing sculptors to carve it in any direction. However, this chemical nature makes marble extremely reactive to acids. Even weak household acids corrode the surface instantly, dulling the polish and leaving un-washable whitish stains.

Technical identity

Standards

European and international references applicable.

EN 1469 (Rivestimenti)EN 12058 (Pavimentazioni)Marcatura CE

Physical properties

Elastic modulus (E)60 - 80 GPa
Thermal conductivity (λ)~ 2.5 W/mK
Flexural Strength10 - 20 MPa
Water absorption< 0.5 %

Usage environment

To limit porosity and protect it in critical environments (such as kitchen countertops or bathrooms), marble slabs require the periodic application of water- and oil-repellent sealers that saturate the capillaries without altering the breathability and natural color of the stone.

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