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Doris Grey Marble

Marble

Turkey

About

Item Details

Material Type:
Marble
Origin:
Turkey (Konya)
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:
Doris Gray Marble, Croco Grey Marble, Ink Blue Marble, Water-Ink Blue Marble, Root Wave Grey Marble, in China stone market:水墨蓝(shuǐmò lán)
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:
0.2 – 0.3 % by weight
Density:
2680 – 2710 kg/m³
Flexural Strength:
13 – 16 MPa
Compressive Strength:
100 – 120 MPa

Description

Doris Grey Marble, quarried in Konya, Turkey, is a striking natural stone characterized by a medium to dark grey base with prominent, branching black veins. The contrasting veining often resembles cracks, roots, or lightning-like patterns, creating a bold and visually captivating effect. Its dramatic appearance makes it a favored choice for high-end residential and commercial design projects.

Texture & Pattern

  • Texture: Fine- to medium-grained marble with a dense, compact structure.
  • Pattern: Strong black veining over a consistent grey background, often branching irregularly.
  • Color Range: Medium grey to dark charcoal grey base, with deep black veins.
  • Overall Look: Elegant and dramatic, suited for statement pieces and luxury interiors.

Physical & Mechanical Properties (indicative values)

  • Density (EN 1936): ~2,680 – 2,710 kg/m³
  • Water Absorption (EN 13755): ~0.2 – 0.3 % by weight
  • Open Porosity (EN 1936): ~0.3 – 0.5 %
  • Flexural Strength (EN 12372): ~13 – 16 MPa
  • Compressive Strength (EN 1926): ~100 – 120 MPa
  • Abrasion Resistance (EN 14157): ~21 – 23 mm
  • Frost Resistance (EN 12371, after 48 cycles): ~13 – 15 MPa
  • Mohs Hardness: 3 – 4

Chemical & Mineral Composition (% by weight, typical)

  • CaCO₃ (Calcium Carbonate): 92 – 95 %
  • SiO₂ (Silica): 2 – 3 %
  • MgO (Magnesia): 0.5 – 1 %
  • Fe₂O₃ (Iron Oxide): 0.2 – 0.6 %
  • Al₂O₃ (Alumina): 0.2 – 0.5 %
  • Trace minerals: <1 %

Surface Finish Options

  • Polished: High-gloss finish highlighting the dark veining contrast.
  • Honed: Smooth, matte surface for a modern, subtle look.
  • Satin / Leathered: Soft-touch surface with enhanced tactile depth.
  • Brushed: Antiqued, textured finish accentuating the veins.
  • Sandblasted: Rough, slip-resistant finish suitable for exterior use.
  • Tumbled: Weathered, rustic look with softened edges.

Cutting Sizes

  • Slabs: 240 – 320 cm × 120 – 200 cm, Thickness: 2 cm, 3 cm (custom up to 5 cm)
  • Tiles (cm): 30 × 30, 30 × 60, 40 × 40, 60 × 60, 60 × 120- Thickness: 1.5 cm, 2 cm
  • Tiles (inch): 12"×12", 12"×24", 16"×16", 24"×24", 24"×48" -Thickness: 5/8", 3/4", 1 1/4"
  • Custom Cut-to-Size: Countertops, vanity tops, stair treads, risers, wall cladding, and feature panels.

Applications

  • Interior flooring & wall cladding
  • Countertops & vanity tops Luxury bathrooms & spa interiors
  • Fireplace surrounds & feature walls
  • Hotel lobbies & reception areas
  • Exterior facades (with non-slip finishes)

Maintenance

  • Seal upon installation to protect against staining.
  • Clean with pH-neutral stone cleaners; avoid acidic or abrasive agents.
  • Wipe spills immediately, especially oils, wine, or acidic liquids.
  • Reseal periodically for high-traffic or wet areas to preserve surface finish.

FAQ

How can I give Doris Grey Marble tiles an antique look?

Giving Doris Grey Marble tiles an antique look involves a few steps that can enhance their character while adding the appearance of age and wear. Here’s how you can achieve that: 1. **Cleaning**: Start by thoroughly cleaning the tiles to remove any dirt, grime, or sealant. Use a pH-neutral cleaner that is safe for marble. Rinse well with water and allow the tiles to dry completely. 2. **Sanding/Polishing**: Use a hand sander or a polishing machine with fine-grit sandpaper or diamond pads to gently sand the surface. This will dull any modern sheen and help to create a more worn appearance. Be sure to sand evenly to avoid noticeable scratches or swirl marks. 3. **Acid Wash (Optional)**: For a more worn look, you can apply a mild acid wash with a diluted solution of muriatic acid (always use appropriate safety precautions, like gloves and goggles). This step will give the marble a slightly pitted, aged texture. Rinse thoroughly to remove all acid residues. 4. **Tumbling**: Another option is to remove the tiles and tumble them in a machine with small stones or abrasives. If this is not feasible due to the existing installation, you can create similar effects by hand distressing with tools like chisels or wire brushes to chip and scuff the edges. 5. **Applying a Stain**: To enhance the aged appearance, consider applying a stone enhancer or an antiquing stain. These products can deepen the color and highlight the natural veining in the marble, giving it a rich, aged look. Test the stain on a spare or hidden tile first to ensure you achieve the desired effect. 6. **Sealing**: Once you’ve achieved the desired antique look, apply an appropriate stone sealant. An enhancing stone sealer could further accentuate the natural veining and color variations. 7. **Regular Maintenance**: To maintain the antique appearance, regular cleaning with a pH-neutral cleaner and periodic resealing may be necessary. Always test any method on a small, inconspicuous area or an extra tile first to see how it affects the marble, and ensure it achieves the look you want. Consider consulting with a professional tile expert if you’re unsure about any step, especially when using chemicals or tools.

How can I restore the appearance of a Doris Grey Marble tabletop to make it look new again?

Restoring the appearance of a Doris Grey Marble tabletop involves several careful steps to clean, polish, and protect the marble. Heres a detailed guide to help you make your marble tabletop look new again: 1. **Cleaning the Surface:** - **Dust and Debris:** Begin by removing any loose dirt or dust with a soft, dry microfiber cloth. - **Mild Cleaning Solution:** Prepare a mixture of warm water and a few drops of mild dish soap. Avoid acidic or abrasive cleaners that can damage the marble. - **Wipe Down:** Dampen a clean, soft cloth in the soapy water and gently wipe the marble surface. Do not soak the marble, as excessive water can cause damage. - **Rinse:** Use another clean cloth dampened with fresh water to wipe away any soapy residue. - **Dry:** Thoroughly dry the surface with a towel to prevent water spots. 2. **Removing Stains:** - **Identify the Stain:** Determine the type of stain (oil-based, organic, etc.) to choose the appropriate method. - **Poultice for Stains:** Make a poultice with a paste of baking soda and water (or hydrogen peroxide for lighter stains) that matches the consistency of peanut butter. - **Application:** Apply the poultice over the stain, cover with plastic wrap, and let it sit for 24-48 hours. - **Remove the Poultice:** After it dries, gently remove the poultice with a soft cloth and rinse the area with water. 3. **Polishing the Surface:** - **Polishing Compound:** Use a marble polishing powder or compound specifically designed for marble surfaces. - **Application:** Follow the product’s instructions, usually involving the use of a damp cloth to work the compound into the stone in a circular motion. - **Buff the Surface:** Once the compound has been applied, buff the area with a clean, soft cloth to bring back the shine. 4. **Sealing the Marble:** - **Choose a Sealer:** Select a high-quality marble sealer to protect the surface. This is important to prevent future stains. - **Application:** Following the product instructions, apply the sealer evenly across the marble using a clean cloth or a brush. - **Dry and Buff:** Allow the sealer to dry as per the recommended time, then buff the surface with a clean cloth to restore the shine. 5. **Regular Maintenance:** - **Daily Care:** Clean spills immediately to prevent staining. Use coasters, trivets, and placemats to protect the marble. - **Monthly or Quarterly Care:** Polish and reseal the marble every few months or as recommended by the sealer’s manufacturer. By performing these steps, you can help restore and maintain the beauty of your Doris Grey Marble tabletop, making it look almost new again. Always test cleaning and polishing products on a small, inconspicuous area first to ensure they do not damage your specific marble.

Can 2cm thickness Doris Grey Marble be used for stair steps?

Yes, 2 cm thickness Doris Grey Marble can typically be used for stair steps, although there are a few considerations to keep in mind. Marble is a durable and aesthetically pleasing material, and a 2 cm thickness is generally adequate for residential stair treads. However, it is important to ensure that the marble is properly supported and installed to prevent cracking or damage over time. Here are a few factors to assess: 1. **Structural Support:** Ensure that the underlying structure of the stairs is strong enough to support the marble treads. 2. **Usage:** Consider the amount of foot traffic the stairs will receive. In high-traffic areas, marble can show wear and tear more quickly than harder stones like granite. 3. **Surface Finish:** Polished marble can be slippery, especially when wet. Consider a honed or textured finish, or use non-slip treatments or mats to improve safety. 4. **Sealing:** Marble is porous and can stain easily, so its important to seal the marble regularly to protect it from damage and staining. 5. **Installation:** Proper installation is key to ensuring the longevity and safety of marble stairs. It should be done by experienced professionals who understand the specific requirements of working with marble. Overall, if these factors are addressed, 2 cm Doris Grey Marble can be a suitable and attractive choice for stair steps.

Is Doris Grey Marble suitable to use for sculpturing?

Doris Grey Marble can be used for sculpting, but there are several factors to consider before deciding if it is the right choice for your specific project. 1. **Characteristics**: Doris Grey Marble, like many marbles, is relatively soft and can be carved with tools suited for stone sculpture. However, it may not be as soft as some other types of marble that are traditionally used for sculpting, such as Carrara marble. 2. **Appearance**: It typically has a gray base with varying patterns and veining, which might affect the final appearance of the sculpture. If the veining aligns well with the design, it can add interesting visual effects, but it’s essential to plan accordingly. 3. **Durability**: While marble is generally a durable material, it can be susceptible to weathering and damage from acids. If the sculpture is intended for outdoor display, youll need to consider how well Doris Grey Marble can withstand environmental conditions. 4. **Workability**: Marble is a favoured material for sculptors because it can achieve a fine polish and detailed work. Ensure that Doris Grey Marble specific to your source is workable and doesnt present unexpected challenges due to hardness or brittleness. 5. **Availability and Cost**: Consider whether Doris Grey Marble is readily available to you and within your budget, as costs can vary based on location and rarity. Its advisable to test a small sample if possible to see how it responds to your tools and to gain an understanding of its aesthetics with your intended design. Consulting with a professional sculptor or a supplier familiar with Doris Grey Marble can also provide valuable insights.

Does coffee stain the surface of Doris Grey Marble?

Yes, coffee can stain the surface of Doris Grey Marble. Marble is a porous natural stone, which makes it susceptible to staining from dark-colored liquids like coffee. To prevent stains, its important to clean up any spills immediately. Sealing the marble can also provide an additional layer of protection, helping to prevent staining by reducing the stones porosity. Regular maintenance and using pH-neutral cleaners can also help in preserving the appearance of the marble surface.

What type of abrasive should be used to honed the Doris Grey Marble surface?

To hone a Doris Grey Marble surface, youll generally want to use a series of diamond abrasives in progressively finer grits. Start with coarser grits to remove any initial imperfections and gradually move to finer grits to achieve the desired honed finish. Typically, you would begin with a grit around 100-200, move to 400, and finish with 800 or higher, depending on the level of smoothness you wish to achieve. It’s important to use water during the honing process to reduce dust and friction, and to carry out the process with care to avoid damaging the marble. If youre unsure, its best to consult with or hire a professional, as they will have the necessary tools and expertise to handle marble surfaces properly.

How can I maintain Doris Grey Marble kitchen countertop?

Maintaining a Doris Grey Marble kitchen countertop involves regular cleaning and a few preventative measures to keep it looking beautiful. Here are some tips to help you care for your marble countertop: 1. **Seal the Countertop**: Marble is porous, and sealing it helps prevent stains. Apply a quality marble sealer as soon as the countertop is installed, and reapply it every 6 to 12 months, or as recommended by the manufacturer. 2. **Clean Spills Immediately**: Marble can stain easily, so it’s important to clean spills, especially those from acidic substances like lemon juice, vinegar, wine, or tomato sauce, immediately to prevent etching. 3. **Use Gentle Cleaners**: For regular cleaning, use a pH-neutral cleaner or a mild dish soap mixed with warm water. Avoid using vinegar, ammonia, bleach, or any abrasive cleaners, as they can damage the marble surface. 4. **Use Soft Cloths or Sponges**: Clean the countertop with a soft cloth or a non-abrasive sponge to avoid scratching the surface. Microfiber cloths are ideal for buffing the surface after cleaning. 5. **Protect from Heat and Scratches**: Always use trivets or mats under hot dishes or pots, and use cutting boards when preparing food to protect the surface from heat damage and scratches. 6. **Avoid Heavy Impact**: Be cautious of heavy items that can chip or crack the marble. Avoid dropping heavy cookware or utensils on the countertop. 7. **Polish Regularly**: Periodically, you might consider using a marble polish to enhance the shine and provide an extra layer of protection. Make sure to choose a product specifically formulated for marble. 8. **Address Etching and Stains**: For minor etching or stains, you can use a marble polishing powder or poultice following the product instructions. Severe etching or staining might require professional restoration. By applying these maintenance practices, you can keep your Doris Grey Marble countertop looking elegant and well-preserved for years to come.

Is 3cm thick Doris Grey Marble durable enough for use as garden walkway pavers?

Doris Grey Marble, like most marble, is a natural stone that can certainly be used for garden walkway pavers. However, there are a few factors to consider regarding its durability and suitability for this purpose: 1. **Porosity**: Marble is a porous material, meaning it can absorb water and be susceptible to staining. In a garden setting, this could be a concern if the area is exposed to moisture regularly. 2. **Weather Resistance**: While marble can withstand a fair amount of weathering, it is sensitive to acidic substances such as rainwater that contains acid rain, which can lead to etching. Over time, weather exposure might cause the marble to lose its polish. 3. **Surface Durability**: A thickness of 3cm (approximately 1.18 inches) is generally suitable for walkway use. This thickness provides a reasonable level of durability for foot traffic. However, consider the load it will bear. If heavy items (like garden machinery) are placed on the pavers, there could be an increased risk of cracking or chipping. 4. **Maintenance**: Marble requires regular maintenance to keep its appearance and structural integrity intact. This includes sealing to protect against stains and weathering and periodic cleaning. 5. **Aesthetic Considerations**: Marble offers a beautiful and elegant appearance, but if youre concerned about potential wear, discoloration, or staining, you might need to balance this with its practical use as an outdoor material. If durability and maintenance are of particular concern, you might explore harder stone options such as granite or porphyry, which are known for better performance in exposed, high-traffic areas. Additionally, consulting with a local stone supplier or a landscape architect could provide specific advice based on the local climate and conditions.

Does the surface of Doris Grey Marble scratch easily?

Doris Grey Marble, like many types of marble, is relatively soft compared to other natural stones such as granite. Marble has a Mohs hardness rating of about 3, which means it can be prone to scratching. To prevent scratches, its important to use protective mats or pads under objects, avoid dragging heavy items across the surface, and be cautious with sharp or abrasive materials. Regular maintenance and sealing can also help protect the surface and minimize the appearance of scratches over time.

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