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Cosmic White Marble

Cosmic White MarbleCosmic White Marble
Cosmic White Marble

Marble

Angola

About

Item Details

Material Type:
Marble
Origin:
Angola (Caraculo, Bibala, Namibe)
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:
Caraculo White Marble, Bibala White Marble, Namibe White Marble, Angola White 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:
0.15–0.20%
Density:
2680–2720 Kg/m³
Flexural Strength:
14–16 MPa
Compressive Strength:
170–200 MPa

Description

Cosmic White Marble is a premium quartzitic white marble​ quarried in Caraculo, Bibala, Namibe, Angola. Characterized by its exceptionally pure, luminous white background​ delicately adorned with natural, harmonious speckles and subtle veining in soft grey to warm beige tones, this stone embodies a serene yet sophisticated aesthetic. The fine, irregular yet balanced distribution of its mineral inclusions creates a sense of celestial purity and organic elegance, making it an ideal material for projects seeking a bright, clean, and naturally refined appearance with enhanced durability.

Visual Characteristics

  • Base Color:​ Exceptionally pure, bright white to luminous off-white
  • Inclusions & Veining:​ Delicate, natural speckles and faint, feathery veins in soft grey, pale taupe, and warm beige
  • Pattern Type:​ Irregular, finely dispersed mineral inclusions creating a harmonious, "starry" or cosmic-like speckle; veining is subtle and organic
  • Texture:​ Fine-grained, dense crystalline structure with a smooth, highly polishable surface
  • Surface Appearance:​ Takes a brilliant, high-gloss polish that enhances luminosity and depth
  • Light Interaction:​ Excellent light reflectivity and brightness; the white base maximizes light diffusion
  • Overall Mood:​ Pure, serene, luminous, sophisticated, and naturally elegant with a celestial quality

Technical Specifications (Typical for Quartzitic Marble)

  • Water Absorption​: 0.05–0.20%
  • Density​​: 2.68–2.72 g/cm³
  • Compressive Strength​​: 170–200 MPa
  • Flexural Strength​​: 14–16 MPa
  • Abrasion Resistance​​: High (20–28 Ha)
  • Hardness (Mohs)​: ​5–6.5
  • Frost Resistance​​: Good to Excellent

Chemical & Mineral Composition

  • SiO₂ (Quartz)​​: 60–80%
  • CaCO₃ (Calcite)​​: 15–30%
  • MgCO₃ (Dolomite)​: ​2–8%
  • Fe₂O₃/Al₂O₃ (Iron/Aluminum Oxides)​​: 1–3% (source of grey/beige speckles)
  • Other Oxides​​: 1–3%

Mineral Composition

  • Quartz:​ 60–80% (fine-grained, provides durability and whiteness)
  • Calcite/Dolomite:​ 15–35% (binding matrix)
  • Mica/Clay Minerals:​ 2–5% (may contribute to subtle sheen and speckles)
  • Iron Oxides:​ <1% (primary coloring agent for grey/beige inclusions)

Available Finishes

  • Polished​ – High-gloss maximizes brightness and creates a mirror-like surface
  • Honed​ – Smooth matte finish for a soft, contemporary look
  • Brushed/Leathered​ – Textured surface highlighting natural grain
  • Sandblasted​ – Uniform matte texture
  • Bush-hammered​ – Heavy texture for exterior cladding

Applications

  • Modern Interiors:​ Feature walls, flooring, staircases in residential and commercial spaces
  • Bathrooms:​ Vanity tops, shower walls, steam rooms (with sealing)
  • Kitchens:​ Countertops, islands, backsplashes (superior to calcite marble for durability)
  • Commercial Spaces:​ Hotel lobbies, corporate offices, luxury retail, healthcare facilities
  • Exterior Cladding:​ Building facades, ventilated wall systems (with appropriate finish)
  • Light-Enhancing Spaces:​ Areas where brightness and light reflection are prioritized

Maintenance Guidelines

  • Sealing:​ Recommended for kitchens, bathrooms, and exterior use; less critical than for calcite marble
  • Cleaning:​ pH-neutral stone cleaners; avoid acidic substances
  • Protection:​ Highly scratch and heat resistant; use trivets and cutting boards for preservation
  • Outdoor Care:​ Suitable for exterior use with proper installation and periodic sealing
  • Professional Installation:​ Recommended for optimal results

Design Compatibility

  • Modern Minimalist​ – Complements clean lines and uncluttered spaces
  • Scandinavian​ – Enhances light, airy interiors
  • Contemporary Luxe​ – Adds brightness to sophisticated designs
  • Biophilic Design​ – Connects interiors with natural, pure elements
  • Healthcare/Wellness​ – Ideal for spaces requiring cleanliness and brightness

Key Advantages

  • Exceptional Brightness​ – Maximizes light reflection in interiors
  • Quartzitic Durability​ – More resistant to etching, scratching, and wear than calcite marble
  • Color Consistency​ – Uniform white background facilitates large-scale installations
  • Angolan Quality​ – Premium material with specific geological characteristics
  • Low Maintenance​ – Dense composition requires less sealing than traditional marble
  • Design Versatility​ – Works with both warm and cool color palettes
  • Sustainability​ – Durable material with long lifecycle

Installation Considerations

  • Lighting Design​ – Strategic lighting enhances natural brightness
  • Pattern Matching​ – Important for large installations due to subtle veining
  • Sealing​ – Recommended for high-traffic and wet areas
  • Edge Details​ – Simple profiles showcase the stone's purity
  • Panel Size​ – Large slabs minimize visible seams
  • Grout Selection​ – Light-colored grout recommended to maintain brightness

Note:​ Cosmic White Marble represents a premium category of quartzitic marble that combines the highly desirable bright white appearance of luxury marble with the enhanced practical performance of quartzite. Its Angolan origin ensures geological uniqueness, while its quartzitic composition provides superior durability for both residential and commercial applications. The stone's fine, harmonious speckling adds natural character without overwhelming the design, making it particularly suitable for projects where brightness, cleanliness, and subtle texture are valued. Slab selection is still recommended to ensure color consistency across large projects, though variation is typically minimal compared to more heavily veined stones.

FAQ

Can 18mm thick Cosmic White Marble be used for stair steps?

Yes, 18mm thick Cosmic White Marble can be used for stair steps, but there are several factors to consider. Marble is a durable and aesthetically pleasing option for staircases, but it is also relatively heavy and can be prone to chipping or scratching. Here are some points to consider: 1. **Weight and Support:** Ensure that your staircase structure can support the weight of the marble. Marble is heavier than many other materials, so proper support is essential to prevent damage or collapse. 2. **Finish and Surface Treatment:** Marble can be slippery, especially when polished. Consider using a honed or leathered finish to reduce slipperiness, or add anti-slip treatments or strips for additional safety. 3. **Maintenance:** Marble requires regular maintenance to keep it looking pristine. It is susceptible to staining from acidic substances, so sealing the marble and committing to regular cleaning is important. 4. **Durability:** While marble is durable, 18mm is relatively thin for high-traffic areas like stair steps. It may be more susceptible to breaking, especially on edges. If you opt for 18mm thick marble, make sure it is properly supported and protected at the edges, or consider using a thicker option if possible. 5. **Aesthetic:** Cosmic White Marble has unique veining and coloration, which can create a stunning visual effect on staircases. Ensure that the appearance aligns with your overall design vision. Consult with a professional before installation to ensure that the marble will be both safe and visually appropriate for your specific staircase design.

Do fruit juices stain the surface of Cosmic White Marble kitchen countertop?

Cosmic White Marble, like other types of marble, is susceptible to staining because it is a porous natural stone. Fruit juices, particularly those that are acidic or strongly colored, can indeed stain the surface if not promptly and properly cleaned. The acids in fruit juices can etch the surface, while the colors can penetrate and leave a stain. To protect your Cosmic White Marble countertop from fruit juice stains, consider the following steps: 1. **Sealant**: Ensure the marble is properly sealed. A sealant can provide some level of protection by reducing the stones porosity, but it wont make it completely stain-proof. 2. **Immediate Cleaning**: Immediately wipe up spills with a soft, damp cloth or paper towel to prevent the juice from seeping into the marble. 3. **Neutral Cleaner**: Use a pH-neutral cleaner or a specific stone cleaner to avoid etching the marble. Avoid acidic or abrasive cleaners that could damage the surface. 4. **Regular Maintenance**: Regularly re-seal the marble as recommended, depending on the usage and type of sealant used. By taking these precautions, you can minimize the risk of staining your Cosmic White Marble countertop. If a stain does occur, there are specific marble poultices and cleaners available that may help in removing it.

Is Cosmic White Marble durable enough for use as walkway pavers?

Cosmic White Marble is a visually striking natural stone, known for its beautiful veining and color variations. However, when considering it for use as walkway pavers, there are a few factors to keep in mind related to durability: 1. **Hardness and Durability**: Marble is generally softer and more porous than other natural stones like granite or quartzite. This makes it more susceptible to scratching, chipping, and damage from heavy foot traffic or impacts. For high-traffic areas, its durability might not match that of harder stones. 2. **Weather Resistance**: Marble can be sensitive to weather conditions, particularly in climates with freeze-thaw cycles. Moisture can seep into the stone, and when it freezes, it may cause the marble to crack or spall over time. 3. **Maintenance**: Marble requires regular maintenance to retain its appearance, including sealing to reduce porosity and prevent staining. Outdoor use will likely accelerate the need for maintenance compared to indoor applications. 4. **Slip Resistance**: Polished marble can be slippery when wet, which poses a hazard for walkways, especially in wet or rainy conditions. Honing the surface can improve slip resistance but may reduce the stones visual appeal. 5. **Cost**: Considering durability, maintenance requirements, and potential for damage, marble may not be the most cost-effective choice for outdoor walkways compared to other materials like concrete pavers, brick, or natural stones more suitable for exterior use. In conclusion, while Cosmic White Marble can be used for walkway pavers, its essential to weigh its aesthetic appeal against the practical drawbacks regarding durability, maintenance, and safety. It might be better suited for decorative or low-traffic areas rather than primary pathways.

Does the surface of Cosmic White Marble scratch easily?

Cosmic White Marble, like most types of marble, is a relatively soft stone compared to other natural stones like granite or quartzite. This means it can be prone to scratching if not properly cared for. Marble in general is composed primarily of calcite, which has a Mohs hardness of about 3. This makes it susceptible to scratches from harder materials. To minimize the risk of scratching, its important to take certain precautions, such as using cutting boards, avoiding dragging heavy or sharp objects across the surface, and using protective pads under heavy items. Regular sealing can also help protect the surface, although it wont prevent scratching entirely. For high-traffic areas or surfaces that will be heavily used, you might want to consider alternative materials if scratching is a major concern.

Can Cosmic White Marble be used for pool coping?

Yes, Cosmic White Marble can be used for pool coping. Marble is a popular choice for pool areas due to its natural beauty and elegance. However, there are a few considerations to keep in mind: 1. **Slip Resistance**: Marble can become slippery when wet, so it is important to ensure the surface is treated or textured to enhance grip and minimize the risk of slipping. 2. **Maintenance**: Marble requires regular sealing to protect it from water absorption and chemical damage, especially in pool environments where it is exposed to chlorinated water. 3. **Durability**: While marble is durable, it can be prone to staining or etching from pool chemicals, so regular maintenance and immediate cleaning of spills are important. 4. **Temperature**: Marble can become hot under direct sunlight, so consider choosing a lighter color or finishing that stays cooler. If these factors are taken into account and managed properly, Cosmic White Marble can be a stunning option for pool coping.

Can 20mm thick Cosmic White Marble be used as a kitchen countertop?

Yes, 20mm thick Cosmic White Marble can be used as a kitchen countertop. However, there are several considerations to keep in mind when using marble for kitchen surfaces: 1. **Durability:** Marble is softer and more porous compared to granite or quartz, making it more susceptible to scratches, stains, and etching from acidic substances like lemon juice or vinegar. 2. **Sealing:** To protect the marble from stains and moisture, it is essential to apply a high-quality sealant periodically. Regular sealing can help maintain the appearance and longevity of the countertop. 3. **Maintenance:** Marble surfaces require more maintenance and care compared to other materials. Spills should be wiped immediately to prevent staining, and cutting boards should be used to avoid scratches. 4. **Aesthetic:** Marble, including Cosmic White, provides a luxurious and elegant look with its unique veining and natural patterns, which can significantly enhance the visual appeal of a kitchen. 5. **Support:** Ensure that the countertop is properly supported, especially given the weight and thickness, to prevent any structural issues. If you are willing to manage the care and maintenance requirements, Cosmic White Marble can be a stunning choice for a kitchen countertop.

How can I maintain Cosmic White Marble flooring?

Maintaining Cosmic White Marble flooring involves regular care to preserve its natural beauty and ensure longevity. Here are some steps and tips for effective maintenance: 1. **Regular Cleaning:** - **Dust and Sweep:** Use a soft-bristle broom or a microfiber dust mop daily to remove dust and loose dirt. Avoid hard brooms that can scratch the marble. - **Damp Mop:** Use a damp, soft mop with warm water or a pH-neutral cleaner specifically designed for marble. Avoid using too much water, as marble is porous and can absorb moisture. - **Avoid Harsh Cleaners:** Do not use acidic, abrasive, or ammonia-based cleaners, as they can etch or dull the marble surface. 2. **Immediate Spill Cleanup:** - Wipe up spills immediately using a soft cloth. Substances like wine, coffee, citrus juices, and vinegar can cause staining and should be cleaned promptly. 3. **Sealing:** - **Frequency:** Depending on the marbles porosity and finish, sealing every 6 months to 1 year can help protect it from stains. - **Application:** Use a high-quality sealant meant for marble. Follow the manufacturers instructions for effective sealing. 4. **Stain Removal:** - For stains, you can use a poultice made from baking soda and water or a commercially available marble poultice. Apply it to the stain, cover with plastic wrap, let it sit for 24 hours, and then gently wipe it off. 5. **Preventive Measures:** - Use mats or rugs at entryways to minimize dirt and grit on the floor. - Place coasters under glasses. - Use protective pads under furniture legs to prevent scratching. - Avoid dragging heavy objects across the floor. 6. **Polishing:** - Professional polishing every few years can help maintain the marble’s gloss and rectify minor scratches. 7. **Avoid Direct Sunlight:** - Excessive sunlight can cause marble to fade. Use curtains or blinds to minimize direct exposure. 8. **Control Humidity:** - Keep the humidity levels stable to prevent expansion and contraction, which could cause cracking. By consistently following these maintenance practices, your Cosmic White Marble flooring will retain its elegant appearance and structural integrity over time.

Is Cosmic White Marble a suitable choice for facades in cold winter climates?

Cosmic White Marble, like many natural stones, can be used for facades, but there are several factors to consider, especially in cold winter climates: 1. **Durability**: Marble is generally less durable than granite or engineered stone, and it can be susceptible to weathering, particularly in harsh climates. Cold temperatures, moisture, and freeze-thaw cycles can exacerbate these issues, potentially leading to cracking or spalling over time. 2. **Porosity**: Marble is a porous stone, which means it can absorb moisture. In cold climates, this moisture can freeze and expand, leading to damage. To mitigate this, a high-quality sealant designed for marble should be applied regularly to reduce water absorption. 3. **Maintenance**: Marble facades will require regular maintenance, including resealing and cleaning, to keep them looking their best and to prevent potential weather-related damage. 4. **Aesthetic Concerns**: Marble can be stained or etched by various substances, including those found in snowmelt chemicals or pollution, which can be more prevalent in winter. 5. **Suitability and Local Conditions**: Its important to assess local climate conditions and consult with a stone or facade specialist who can provide guidance tailored to the specific location. Different marbles have varying levels of resistance to weathering, so ensuring the stones suitability for the local environment is critical. Ultimately, while Cosmic White Marble can be used for facades in cold climates, it will require careful consideration of these factors and a commitment to ongoing maintenance to ensure durability and aesthetic appeal.

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