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Uige Grey Marble

About

Material Type:
Marble
Origin:
Angola (Uíge Province)
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:
Uíge Grey Marble, Uíge Gray 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:
< 0.45%
Density:
2700 kg/m³
Flexural Strength:
12 �C 16 MPa
Compressive Strength:
95 �C 120 MPa

Description

Uige Grey Marble

Origin: Uíge Province, Angola

Type: High-quality calcitic marble

Color and Pattern

Uíge Grey Marble is distinguished by its refined grey tones that range from soft pearly hues to deeper graphite shades. Delicate white veins flow naturally across the surface, creating a dynamic yet tranquil aesthetic. This subtle combination of tones makes it highly versatile for modern and classic designs alike.

Texture and Pattern

  • Texture: Fine to medium-grained, smooth, and elegant surface.
  • Pattern: Soft, flowing veining with occasional cloud-like shades, enhancing depth and visual richness.

Physical & Mechanical Test Results

  • Apparent Density: 2,700 kg/m³
  • Open Porosity: 0.4 – 0.9%
  • Water Absorption: < 0.45%
  • Compressive Strength: 95 – 120 MPa
  • Flexural Strength: 12 – 16 MPa
  • Abrasion Resistance: High – suitable for heavy traffic areas
  • Thermal Expansion: 6.0 × 10⁻⁶ °C⁻¹
  • Acid Reaction: Moderately sensitive (due to calcite composition)
  • Hardness (Mohs): 3 – 4

Chemical Composition

(% by weight, typical for grey marbles)

  • CaCO₃ (Calcium Carbonate): 94 – 97%
  • SiO₂ (Silica): 1 – 2%
  • MgCO₃ (Magnesium Carbonate): 0.5 – 2%
  • Fe₂O₃ + Al₂O₃ (Iron & Alumina): 0.3 – 1%
  • Other trace minerals: < 0.5%

Mineral Composition (% by weight)

  • Calcite: 92 – 96%
  • Quartz: 1 – 3%
  • Mica / Feldspar: 1 – 2%
  • Accessory minerals: < 1%

Applications

  • Residential: Countertops, vanity tops, flooring, staircases, wall cladding, fireplace surrounds.
  • Commercial: Lobby flooring, wall panels, reception desks, conference tables, and high-traffic spaces.
  • Decorative: Sculptures, accent walls, decorative tiles, and bespoke furniture elements.

Maintenance

Clean with pH-neutral stone cleaners. Avoid acidic or abrasive substances to prevent etching. Recommended sealing every 1–2 years for stain resistance. Regular dusting and damp mopping preserve its elegance.

Cutting Sizes (Typical Availability)

  • Slabs: 250–320 cm x 140–200 cm
  • Tiles: 30 × 30 cm, 60 × 30 cm, 60 × 60 cm, 90 × 60 cm (custom sizes available)
  • Thickness: 2 cm and 3 cm (custom up to 5 cm on request)
  • Inches: Commonly 12"×12", 18"×18", 24"×24", 36"×24"

Surface Finish Options

  • Polished: High-gloss finish, enhancing the stone’s natural colors.
  • Honed: Smooth, matte finish for a modern, subtle look.
  • Satin / Brushed: Soft texture, understated elegance.
  • Sandblasted / Bush-hammered: Anti-slip, ideal for outdoor use.
  • Tumbled: Antique, weathered appearance.

FAQ

Is Uige Grey Marble with a polished surface good for commercial building flooring?

Uige Grey Marble with a polished surface can be a good choice for commercial building flooring, but several factors should be considered: 1. **Aesthetic Appeal**: Uige Grey Marble has a distinctive visual appeal due to its elegant and luxurious appearance. The polished surface enhances the natural beauty and color of the stone, making it suitable for creating an upscale ambiance in commercial spaces. 2. **Durability**: Marble is generally durable, but its softer and more porous than other natural stones like granite. In high-traffic commercial environments, it may wear down or get scratched over time. Regular maintenance, such as polishing and sealing, can help maintain its appearance and durability. 3. **Maintenance**: Polished marble requires regular maintenance to prevent staining and etching. Spills should be cleaned promptly, and a proper sealing schedule should be maintained to protect the surface. This may increase the long-term maintenance costs. 4. **Slip Resistance**: A polished marble surface can be slippery, especially when wet. This can be a safety concern in commercial spaces with high foot traffic. Consider using rugs or mats in specific areas, or opting for a honed finish that offers better slip resistance. 5. **Cost**: Marble is often more expensive than some other flooring options, both in terms of initial cost and ongoing maintenance. Make sure the budget allows for these expenses. 6. **Environment Suitability**: Consider the specific environment of the commercial space. For example, in entryways where weather elements like rain might be tracked in, a more slip-resistant material might be preferable. In conclusion, while Uige Grey Marble can be a suitable choice for commercial flooring due to its aesthetic and luxurious feel, its important to weigh the pros and cons, particularly concerning maintenance, durability, and safety. Consulting with a flooring specialist or interior designer can provide additional insights tailored to your specific needs and conditions.
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Is Uige Grey Marble a suitable choice for gravestones?

Uige Grey Marble can be a suitable choice for gravestones, depending on several factors. Here are some considerations to keep in mind: 1. **Durability:** Marble is generally less durable than granite or other harder stones. It is more susceptible to weathering, erosion, and staining over time, which can affect the longevity and appearance of the gravestone. 2. **Aesthetics:** Uige Grey Marble has a distinct and attractive appearance with its grey tones and veining, which might be appealing for those who prefer a more elegant and classic look for a gravestone. 3. **Maintenance:** Marble requires more maintenance than granite. It may need regular cleaning and occasional sealing to preserve its appearance. 4. **Cost:** Marble can be more expensive than other stone options. Its important to consider whether the aesthetic benefits outweigh the additional cost. 5. **Local Cemetery Regulations:** Some cemeteries have specific regulations about the types of materials that can be used for gravestones. Its important to check with the cemetery to ensure Uige Grey Marble is allowed. If the aesthetic appeal of Uige Grey Marble aligns with your preferences and you are prepared for its maintenance requirements, it can be a suitable choice for a gravestone. However, consulting with a professional memorial provider can offer more personalized advice based on your specific needs and conditions.
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How can I remove mold from Uige Grey Marble bathroom wall tiles?

Removing mold from Uige Grey Marble bathroom wall tiles requires some care to avoid damaging the marble. Heres a step-by-step guide to help you tackle the mold safely: 1. **Gather Supplies**: - Soft cloth or sponge - Mild dish soap or a pH-neutral stone cleaner - Spray bottle - Baking soda (optional) - Water - Soft-bristled brush or toothbrush - Towels - Protective gear (rubber gloves, mask, and goggles) 2. **Ventilation and Safety**: - Ensure the bathroom is well-ventilated by opening windows or turning on the exhaust fan. - Wear protective gear like gloves, a mask, and goggles to protect yourself from mold spores. 3. **Prepare Cleaning Solution**: - Mix a solution of warm water and a small amount of mild dish soap or a stone cleaner in a spray bottle. For extra cleaning power, you can add a little baking soda to the mixture. 4. **Test in an Inconspicuous Area**: - Before applying the solution to the entire wall, test it on a small, hidden section of the marble to ensure it doesn��t cause any discoloration or damage. 5. **Apply the Solution**: - Spray the cleaning solution onto the moldy areas and let it sit for about 5-10 minutes to break down the mold. 6. **Gently Scrub**: - Use a soft-bristled brush or toothbrush to gently scrub the moldy spots. Avoid using anything too abrasive, as marble is susceptible to scratches. 7. **Rinse Thoroughly**: - Dampen a clean cloth with water and wipe down the tiles to remove any soap residue and loosened mold. 8. **Dry the Surface**: - Use a towel to dry the tiles thoroughly to prevent further mold growth. Mold thrives in damp environments, so keeping the area dry is crucial. 9. **Prevent Future Mold Growth**: - To help prevent mold from returning, use a squeegee or towel to dry the bathroom walls after each shower. - Ensure proper ventilation in the bathroom with exhaust fans or open windows. - Consider using a dehumidifier if moisture is a consistent issue. Avoid using acidic cleaners like vinegar or lemon juice, as well as abrasive cleaners or tools, as these can damage the marble. If the mold problem is extensive, consider consulting a professional to handle it safely.
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Does Uige Grey Marblepolished floor tiles need to be sealed?

Yes, Uige Grey Marble polished floor tiles typically need to be sealed. Marble is a natural stone that is porous and can be susceptible to staining and etching from liquids and acidic substances. Sealing the tiles helps protect them by creating a barrier that reduces the absorption of moisture and other potentially damaging substances. Its recommended to use a high-quality sealant specifically designed for natural stone and to follow the manufacturers instructions for application. Additionally, re-sealing may be necessary periodically, depending on the level of traffic and wear the floor experiences.
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How can I clean Uige Grey Marble backsplash mosaic tiles?

Cleaning Uige Grey Marble backsplash mosaic tiles requires gentle care to maintain their natural beauty and prevent damage. Here��s a step-by-step guide to help you clean your marble tiles effectively: 1. **Gather Supplies:** - Soft microfiber or cotton cloth - pH-neutral cleaner specifically for stone or a mild dish soap - Warm water - Soft sponge or mop - Soft-bristle brush (optional for grout) - Sealant (optional, if resealing is necessary) 2. **Prepare a Cleaning Solution:** - Mix a few drops of pH-neutral stone cleaner or mild dish soap with warm water in a bucket. Avoid acidic or alkaline cleaners, which can etch or dull marble surfaces. 3. **Dust and Remove Loose Dirt:** - Use a dry microfiber cloth or dust mop to remove any dust or loose dirt from the marble surface before using any liquid cleaners. This prevents scratching during cleaning. 4. **Apply the Cleaning Solution:** - Dampen a soft cloth or sponge with the cleaning solution. Wring it out well to ensure it��s not overly wet, as too much water can damage the tiles and grout. 5. **Gently Clean the Surface:** - Wipe down the marble tiles with the dampened cloth or sponge in a gentle, circular motion. For stubborn spots, you can use a soft-bristle brush, but avoid scrubbing too harshly as this can damage the surface. 6. **Rinse Thoroughly:** - Rinse the cloth or sponge with clean, warm water and wipe down the tiles again to remove any soapy residue. It��s important to not leave any soap behind as it can create a dull film on the marble. 7. **Dry the Surface:** - Use a dry microfiber or cotton cloth to thoroughly dry the tiles. This helps prevent water spots and maintains the shine of the marble. 8. **Polish (Optional):** - For added shine, you can buff the surface with a dry microfiber cloth using a gentle circular motion. 9. **Seal the Marble (Optional):** - If your tiles are unsealed, consider applying a marble sealant to protect them from staining. Follow the manufacturer��s instructions carefully. Sealing should be done once or twice a year, depending on use and exposure. 10. **Regular Maintenance:** - Regularly clean your marble tiles by dusting or wiping them down with a damp cloth to prevent the buildup of dirt and grime. **Tips:** - Avoid acidic substances like lemon juice or vinegar as they can damage the marble. - Use cutting boards and trivets to protect your backsplash from potential spills and stains. - Attend to spills immediately to prevent staining. By following these steps, you can keep your Uige Grey Marble backsplash mosaic tiles looking pristine and beautiful for years to come.
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How can I clean the grout of Uige Grey Marble wall tiles?

Cleaning the grout on Uige Grey Marble wall tiles requires a gentle approach to avoid damaging the marble surface. Heres a step-by-step guide: 1. **Gather Your Supplies:** - pH-neutral cleaner specifically designed for natural stone - Soft-bristled brush or toothbrush - Microfiber cloth or sponge - Warm water - (Optional) Baking soda 2. **Prepare the Cleaning Solution:** - If using a commercial pH-neutral cleaner, follow the manufacturers instructions for dilution. - Alternatively, you can create a mild paste with baking soda and water. 3. **Apply the Cleaner:** - Gently apply the pH-neutral cleaning solution or baking soda paste onto the grout lines using a soft-bristled brush or sponge. 4. **Scrub the Grout:** - Gently scrub the grout lines with the brush or toothbrush in circular motions. Avoid using excessive force to prevent scratching the marble. 5. **Rinse:** - Rinse the area with warm water using a clean microfiber cloth or sponge. Make sure to remove all traces of the cleaning solution or paste. 6. **Dry the Tiles:** - Use a clean, dry microfiber cloth to wipe down the tiles and grout, ensuring no water or cleaner residue is left. 7. **Seal the Grout (Optional):** - Once the grout is clean and dry, you may consider applying a grout sealer to protect it from future staining. Make sure the sealer is safe for use with natural stone. 8. **Regular Maintenance:** - Keep the grout and tiles clean by regularly wiping them with a damp cloth and avoiding harsh chemicals or abrasive materials. Note: Always test any cleaning solution on a small, inconspicuous area first to ensure compatibility with your specific marble and grout. Avoid using acidic cleaners like vinegar or lemon juice, which can damage marble surfaces.
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I have a Uige Grey Marble tabletop with a vein that looks broken. Should I glue it?

If your Uige Grey Marble tabletop has a vein that appears to be cracked or broken, its essential to handle the repair carefully to preserve the integrity and appearance of the marble. Here are steps you can follow to address this issue: 1. **Assess the Damage:** First, determine whether the crack is superficial or if it goes deeper. Superficial cracks might not require significant intervention, while deeper cracks will need proper repair to prevent them from worsening. 2. **Clean the Surface:** Ensure the area around the crack is clean and free from dust, dirt, or oils. Use a mild pH-balanced cleaner suitable for marble surfaces and a soft cloth or sponge. 3. **Choose the Right Adhesive:** If the crack is deeper and requires repair, use a suitable adhesive designed for stone, such as a two-part epoxy or a polyester resin. These adhesives are strong and can be color-matched to your marble. 4. **Apply the Adhesive:** Carefully apply the adhesive into the crack using a small spatula or a similar tool. Make sure the adhesive is well-worked into the crack to ensure a strong bond. 5. **Remove Excess Adhesive:** Use a razor blade or a putty knife to gently remove any excess adhesive from the surface, taking care not to scratch the marble. 6. **Allow to Cure:** Let the adhesive cure according to the manufacturer��s instructions. This may take several hours or overnight. 7. **Polish the Surface:** Once the adhesive has fully cured, lightly sand the area with very fine sandpaper, if necessary, and then polish the marble to restore its shine. 8. **Professional Help:** If youre uncertain about the repair process or the crack is extensive, its a good idea to consult a professional. They can offer expertise and ensure the repair is completed correctly without further damaging the marble. By carefully addressing the issue, you can maintain the aesthetic and structural integrity of your marble tabletop.
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