Karnis Classic Marble

Karnis Classic Marble is a distinguished calcitic marble from the region of Karnazeika, Argolis, in the Peloponnese, Greece. It is recognized for its warm color palette ranging from dark to light beige, ivory, soft brown, and light grey tones, creating a striking mosaic-like appearance through its natural angular fragments. This marble's unique aesthetic makes it a preferred choice for numerous architectural and design applications.

Physical and Mechanical Properties:

• Mineralogical Description (EN 12407 / EN 12670): Marble
• Water Absorption: 1.7%
• Density: 2690 kg/m³
• Flexural Strength: 13.9 MPa
• Compressive Strength: 147.0 MPa
• Hardness: (not explicitly specified, but typically high in marble)
• Porosity: Moderate, affecting water absorption and strength
• Slip Resistance: Often depends on the surface finish but generally moderate; polished surfaces are more slippery, while honed or textured finishes may offer better traction.

Test Result - Physical Mechanical Properties

• Apparent density (EN 1936): 2700 kg/m³
• Open porosity (EN 1936): 1.7 % vol.
• Water absorption at atmospheric pressure (EN 13755): 0.1 % wt.
• Uniaxial compressive strength (EN 1926): 132 MPa
• Flexural strength under concentrated load (EN 12372): 13.9 MPa
• Breaking load at dowel hole (EN 13364): 2050 N
• Abrasion resistance (EN 14157 – Method B): 10611 mm³
• Rupture energy (EN 14158): 3 Joule
• Frost resistance (EN 12371 & EN 12372): 14.2 MPa

Chemical and Mineral Compositions:

Mineralogical Composition: 100% Calcite

Chemical Composition (% in dry substance)

• SiO₂:​ 0.80
• Al₂O₃:​ 0.35
• Fe₂O₃:​ 0.35
• CaO:​ 54.00
• MgO:​ 0.60
• MnO:​ 0.25
• TiO₂:​ 0.01
• K₂O:​ 0.03
• Na₂O:​ 0.01
• LOI:​ 43.2

Usage:

• Interior Flooring: Highly favored for its aesthetic appeal in residential and commercial spaces.
• Wall Cladding: Offers a luxurious and refined look to interior and exterior walls.
• Bathroom Vanities and Countertops: Resistant to heat and relatively easy to maintain.
• Architectural Elements: Often used in columns, stairs, and fireplaces for its structural properties and beauty.

Maintenance:

• Regular Cleaning: Use a mild detergent and a soft cloth to maintain its shine and prevent etching.
• Sealing: It is advisable to seal the marble surface periodically to protect it from stains and moisture absorption.
• Avoid Harsh Chemicals: Acidic or abrasive cleaners can damage the marble surface.

Cutting Sizes (in cm):

• Tile Size: Commonly available in 30x30, 30x60, and 60x60 cm
• Slab Size: Typically can be cut to custom sizes based on project requirements

Surface Finish Options:

• Polished: Offers a high-gloss, reflective surface that enhances the natural colors and patterns of the marble.
• Honed: Provides a smooth, matte finish that is less reflective and contributes to a more subtle, understated elegance.
• Brushed/Antique: Creates a rustic, textured appearance with a softer surface feel.
• Bush-Hammered: A more rugged texture, offering excellent slip resistance and a unique tactile quality.

Karnis Classic Marble is thus a versatile and premium choice for a wide array of design and architectural applications, offering both aesthetic appeal and functional resilience. Proper care and maintenance ensure its longevity and sustained beauty over time.