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Star Flash White Marble

Marble

Tanzania

About

Item Details

Material Type:
Marble
Origin:
Tanzania
Recommended Usage:
kitchen and bathroom countertop, wash basins, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, water-jet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, window sills
Additional Names:
Star White Marble, Tanzania Sparkling White Marble, Tanzania White Marble, in China stone market:星闪白(Xīng Shǎn Bái), 水晶白(Shuǐjīng Bái)
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.10 - 0.30%
Density:
2680 - 2720 kg/m³
Flexural Strength:
9 - 13 MPa
Compressive Strength:
90 - 110 MPa

Description

Star Flash White Marble is a natural marble quarried in Tanzania, featuring a bright white to milky-white background with a distinctive sugary, crystalline texture. Translucent crystals create a sparkling, star-like appearance under light. Dark grey to black irregular veins cross the surface, providing strong contrast against the crystalline white base.

Texture & Pattern

Fine- to medium-grained crystalline texture with a granular, sugar-like appearance. The pattern is predominantly white with irregular diagonal grey-to-black veining and occasional translucent crystalline areas. Best enhanced by a polished finish.

Physical & Mechanical Properties

  • Density: 2,680–2,720 kg/m³
  • Water Absorption: 0.10–0.30%
  • Compressive Strength: 90–110 MPa
  • Flexural Strength: 9–13 MPa
  • Mohs Hardness: 3–4
  • Indicative values; quarry-specific laboratory testing is recommended.

Mineral Composition

  • Calcite: 90–98%
  • Quartz: 0–3%
  • Dolomite: 0–4%
  • Feldspar & Mica: 0–2%
  • Other minerals: 0–2%

Chemical Composition

Primarily CaCO₃, with minor SiO₂, MgO, Al₂O₃ and Fe₂O₃. Exact composition varies according to the quarry and block.

Applications

Suitable for interior flooring, walls, countertops, vanity tops, reception desks, fireplace surrounds, feature walls, furniture, luxury hotel interiors and decorative panels.

Maintenance

Clean with a pH-neutral stone cleaner and avoid acidic substances such as vinegar, lemon and strong chemical cleaners. Wipe spills promptly and use a suitable penetrating sealer when required. Regular sealing helps protect the marble from staining.

FAQ

How should calcitic Star Flash White Marble kitchen countertop be cleaned and maintained?

To properly clean and maintain a calcitic Star Flash White Marble kitchen countertop, follow these guidelines: 1. **Regular Cleaning:** - Use a soft, damp cloth or sponge with mild, pH-neutral dish soap and warm water to clean the surface. Avoid abrasive cleaners or pads as they can scratch the marble. - Wipe spills immediately to prevent staining, especially from acidic substances like lemon juice, vinegar, wine, or coffee. 2. **Stain Removal:** - For organic stains, such as coffee or tea, use a poultice made from baking soda and water or a commercially available marble poultice. - For oil-based stains, a mixture of baking soda and water or a specific marble stain remover can be effective. - Always test any cleaning or stain removal method on a small, inconspicuous area first. 3. **Sealing:** - Apply a high-quality marble sealer regularly to protect the surface from stains and damage. Depending on the use and type of sealer, this may need to be done every 6 to 12 months. - Follow the manufacturer’s instructions for the application and drying times. 4. **Preventative Measures:** - Use coasters under glasses, especially those containing alcohol or citrus juices, to prevent etching and stains. - Use trivets or mats under hot dishes and pots to avoid thermal shock and potential cracks. 5. **Avoidance:** - Do not use vinegar, bleach, ammonia, or other acidic cleaners, as these can damage the marble. - Avoid placing sharp or rough objects directly on the countertop to prevent scratches. 6. **Polishing:** - If the surface becomes dull, consider using a marble polishing powder or consulting with a professional for deep polishing. - Regular buffing with a soft cloth can help maintain the shine. 7. **Professional Maintenance:** - For extensive repairs, deep stains, or major restoration needs, consult with a professional marble service provider. By following these practices, you can maintain the beauty and integrity of your calcitic Star Flash White Marble countertops.

Is Star Flash White Marble translucent or suitable for backlighting?

Star Flash White Marble is known for its elegant appearance and fine quality. While many white marbles are translucent to some degree, the translucency of Star Flash White Marble can vary. Some white marbles, particularly those with fewer impurities and a more crystalline structure, are suitable for backlighting, allowing light to pass through and create a glowing effect. To determine if a specific piece of Star Flash White Marble is suitable for backlighting, you would need to assess the thickness and specific characteristics of the slab. Generally, a thinner and more uniformly colored slab with fewer veins or inclusions will transmit more light and thus be better for backlighting. It is advisable to consult with a supplier or a stone specialist to evaluate the potential effects of backlighting on the specific slabs you are considering.

Does calcitic Star Flash White Marble need sealing?

Yes, calcitic Star Flash White Marble should be sealed. Marble is a porous natural stone, which makes it susceptible to staining and etching from spills and acidic substances. Sealing the marble helps create a protective barrier that reduces the risk of damage from moisture and stains. Its advisable to seal the marble upon installation and reseal it periodically, typically every 6 to 12 months, depending on the amount of use and the type of sealant used. Always follow the manufacturers recommendations for sealing and care to maintain the marbles appearance and longevity.

Is calcitic Star Flash White Marble harder than regular marble?

Calcitic Star Flash White Marble is a type of marble that is predominantly composed of calcite. Regular marble is also primarily composed of calcite, which means that both types of marble share similar properties. In terms of hardness, both calcitic Star Flash White Marble and regular marble generally have a similar rating on the Mohs scale of mineral hardness, which is around 3 to 4. This means neither type is significantly harder than the other, as they both share the same basic mineral composition. Marble, in general, is softer and more prone to scratching and etching compared to harder natural stones like granite or quartzite.

Is calcitic Star Flash White Marble suitable for commercial kitchen countertops?

Calcitic Star Flash White Marble, like other marble types, is generally not the most suitable choice for commercial kitchen countertops. Marble is a softer and more porous material compared to other stone options like granite or quartz. This means it can be more prone to scratching, staining, and etching from acidic substances, such as lemon juice or vinegar, which are commonly used in kitchens. For commercial kitchen settings, where durability and ease of maintenance are crucial, materials like stainless steel, quartz, or high-quality granite are typically recommended. These materials are better able to withstand heavy use, resist staining, and maintain their appearance over time. If you have your heart set on using marble for aesthetic reasons, its important to be prepared for the additional maintenance it may require to keep it looking its best in a high-traffic, high-use environment like a commercial kitchen. Regular sealing and careful cleaning will be necessary to protect the surface.

What is the difference between calcitic Star Flash White Marble and dolomitic marble?

Calcitic Star Flash White Marble and dolomitic marble are two different types of marble, distinguished primarily by their mineral composition. Here are the key differences: 1. **Mineral Composition:** - **Calcitic Star Flash White Marble:** This type of marble is primarily composed of calcite, a crystalline form of calcium carbonate (CaCO?). Calcite is the principal mineral in most true marbles, giving them their characteristic luster and smooth texture. - **Dolomitic Marble:** In contrast, dolomitic marble contains a significant amount of the mineral dolomite (CaMg(CO?)?) in addition to calcite. Dolomite makes the marble slightly harder and more resistant to acid compared to purely calcitic marbles. 2. **Hardness:** - **Calcitic Marble:** Generally softer, with a typical Mohs hardness of around 3. This makes calcitic marbles easier to work with but also more susceptible to scratching and erosion. - **Dolomitic Marble:** Slightly harder, with a Mohs hardness ranging from 3.5 to 4 due to the presence of dolomite. This can make dolomitic marbles more durable in certain applications. 3. **Chemical Resistance:** - **Calcitic Marble:** Reacts more readily with acids (such as vinegar or lemon juice), resulting in etching or dulling of the surface. This reactivity is due to the high calcite content. - **Dolomitic Marble:** More resistant to acids compared to calcitic marble, thanks to the dolomite content, which reacts less vigorously with acids. 4. **Appearance:** - **Calcitic Star Flash White Marble:** Known for its beautiful white color with characteristic star-like flashes or veining patterns. The calcite crystals can give it a distinctive sparkle and translucence. - **Dolomitic Marble:** While also available in various colors and patterns, it often displays a slightly different appearance due to its mineral composition and can vary more widely in color due to impurities. 5. **Geological Formation:** - Calcitic marbles are typically formed from limestone that undergoes metamorphism primarily composed of calcite. - Dolomitic marbles are formed from dolomite rock or from limestone that has partially converted to dolomite through geological processes. These distinctions can affect how each type of marble is used in architectural and decorative applications, with considerations for durability, aesthetics, and maintenance.

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