Pietra Grey Honed Marble

Pietra Grey Honed is a dark grey Iranian marble with a smooth matte surface and fine white veins. The honed finish reduces reflection while preserving the natural color and mineral pattern of the stone. This makes the material suitable for interior flooring, stairs, walls, bathrooms and architectural elements where a non-glossy stone surface is required.

What Is Pietra Grey Honed?

Pietra Grey Honed is produced from natural Pietra Grey marble, known as Lashotor marble in Iran. Its background normally ranges from dark grey to charcoal. Fine white calcite veins cross the stone in different directions and create the recognizable appearance of this Iranian marble.

Color, vein thickness and mineral distribution can vary between blocks and quarry layers. These differences are natural characteristics of marble. For large orders, a physical sample should be approved to define the required color range, vein distribution and surface quality.

How Is the Honed Finish Produced?

The surface of Pietra Grey Honed is ground with progressively finer abrasive tools. Unlike polishing, the process stops before the stone develops a reflective shine. The result is a flat, smooth and matte surface with low light reflection.

Honing may make the grey background appear slightly lighter than polished Pietra Grey. The veins remain visible, but their contrast may look softer because the matte surface distributes light rather than reflecting it directly.

Main characteristics of the honed finish

• Smooth and uniform stone face
• Matte appearance with low reflection
• Dark grey to charcoal background
• Natural white calcite veins
• Lower visibility of fingerprints
• Small daily marks are less noticeable than on polished marble

Advantages of Pietra Grey Honed Marble

Pietra Grey Honed provides several practical benefits when properly selected and installed:

• Controlled reflection: the matte surface reduces glare from windows and artificial lighting.
• Natural stone appearance: the dark background and white veins remain visible without mirror-like reflection.
• Practical maintenance: fingerprints and minor surface marks are generally less visible than on polished marble.
• Material coordination: the grey color works with wood, glass, concrete, metal and light-colored stone.
• Custom production: the stone can be produced as tiles, steps, wall panels and cut-to-size pieces.

A honed surface may provide more grip than a highly polished surface, but it must not be described as completely non-slip without appropriate testing. Slip performance depends on water, contamination, footwear, slope, cleaning and installation conditions.

Applications of Pietra Grey Honed

Pietra Grey Honed can be considered for a range of residential and commercial applications:

• Interior marble flooring
• Entrance halls and reception areas
• Stair treads and risers
• Interior wall cladding
• Fireplace surrounds
• Bathroom walls and selected bathroom floors
• Hotel and office corridors
• Retail and exhibition interiors
• Custom architectural components

For wet areas, stone selection, waterproofing, substrate preparation, joint design, sealing and drainage must be considered together. Honing does not make marble waterproof or completely slip-resistant.

Interior and Exterior Use

For interior spaces, Pietra Grey Honed provides a dark natural stone surface without the strong reflection of polished marble. It can be used in both compact rooms and large commercial spaces when thickness, installation and expected traffic are properly specified.

Exterior use should be evaluated according to climate, water exposure, stone thickness, fixing system, drainage and freeze-thaw conditions. A honed finish alone does not make marble suitable for every exterior environment. Current test reports from the intended production lot should be reviewed for demanding exterior projects.

Available Formats and Custom Sizes

Karimi Stone supplies Pietra Grey Honed according to approved drawings, required quantity and project specifications:

• Slabs
• Tiles in standard and custom dimensions
• Steps and risers
• Wall panels
• Free-length pieces
• Skirting and border pieces
• Custom cut-to-size elements

Thickness, dimensions, tolerances, vein direction, edge finish, anchoring details and the required level of honing should be confirmed before production.

Quality Control and Export Packaging

• Checking length, width and thickness
• Inspecting surface smoothness and honing consistency
• Reviewing shade and vein distribution
• Checking edges, corners and visible cracks
• Comparing production with the approved sample
• Using separators between finished pieces
• Selecting packaging according to size, weight and destination

Cleaning and Maintenance

Pietra Grey is a calcitic marble and may be etched by acidic substances. Recommended care includes:

• Use a pH-neutral cleaner made for natural marble.
• Avoid vinegar, acidic cleaners and aggressive chemicals.
• Clean oil, coffee and colored liquids quickly.
• Use soft cleaning equipment that will not scratch the surface.
• Apply a compatible penetrating sealer when required.
• Test cleaning and sealing products on a sample first.

A sealer may reduce moisture penetration and staining but cannot make the stone completely waterproof. Additional information is available from the Natural Stone Institute.

Production and Export by Karimi Stone

Negin Sang Karimi (Karimi Stone) produces and exports Iranian marble for residential, commercial and architectural projects. Production of Pietra Grey Honed includes block selection, cutting, calibration, honing, visual sorting, dimensional inspection and secure export packaging.

For physical samples, available sizes, technical documents, packing information or a quotation, visit the Karimi Stone contact page.

Frequently Asked Questions

Is honed Pietra Grey completely non-slip?

No. It may provide more grip than polished marble, but project-specific slip testing is required for critical walking areas.

Does honing change the color?

Honing does not change the stone itself, but the matte surface may make the grey background appear slightly lighter than a polished surface.

Can it be used in bathrooms?

It can be considered for bathroom walls and selected floors when waterproofing, sealing, drainage, cleaning and slip requirements are properly specified.

Can Karimi Stone produce custom sizes?

Yes. Slabs, tiles, steps, risers, wall panels and other pieces can be produced according to approved drawings.