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Thunderbolt Granite

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Thunderbolt Granite

Black - Granite

Brazil

About

Item Details

Material Type:
Granite
Origin:
Brazil
Primary Color(s):
Black
Recommended Usage:
kitchen and bathroom countertop, wash basins, building stone, ornamental stone, stairs, interior wall and floor applications, mosaic, water-jet pattern, wall panels, table tops, balustrades, columns, fireplaces, luxury furniture
Additional Names:
Lightning Black Granite, Thunderbolt Black Granite, in China stone market:闪电黑(Shǎndiàn Hēi), Thunderbolt Granite
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.20 - 0.30% by weight
Density:
2690 - 2710 kg/m³
Flexural Strength:
15 - 17 MPa
Compressive Strength:
170 - 190 MPa

Description

Thunderbolt Granite features a deep, dark charcoal-green to nearly black base that transitions dramatically into areas of muted olive-green, beige, and tan. The contrasting color zones create a bold, organic appearance with strong natural movement. Silvery-white crystalline flecks are dispersed throughout the darker areas, adding brightness and depth.

Texture & Structure:

Medium- to coarse-grained crystalline texture with a dense, compact structure typical of granite. Interlocking quartz and feldspar crystals create a hard, granular surface, while the highly polished finish enhances the stone's reflective crystalline character and gives it a subtle shimmering, almost metallic depth.

Pattern & Veining:

The stone has a distinctive, irregular pattern with organic divisions between dark and light zones. Dark areas contain scattered silvery-white crystalline flecks, while the lighter olive, beige, and tan sections display bold feathery, brushstroke-like textures resembling lightning strikes or fibrous crystalline growth. The dramatic directional movement varies from slab to slab.

Technical Characteristics (Indicative):

  • Water Absorption: 0.20–0.30% by weight
  • Density: 2690–2710 kg/m³
  • Flexural Strength: 15–17 MPa
  • Compressive Strength: 170–190 MPa
  • Open Porosity: 0.20–0.80% by volume
  • Hardness: 6–7 Mohs

Mineral Composition (Indicative, % by weight):

  • Quartz: 25–40%
  • Feldspar: 35–50%
  • Biotite/Mica: 5–12%
  • Amphibole: 3–10%
  • Chlorite: 0–5%
  • Accessory Minerals: 0–3%

Chemical Composition (Indicative, % by weight):

  • SiO₂: 60–72%
  • Al₂O₃: 12–18%
  • K₂O: 3–6%
  • Na₂O: 2–5%
  • CaO: 1–5%
  • Fe₂O₃: 1–4%
  • MgO: 0.5–3%
  • Other Oxides: 0–2%

Usage:

Suitable for kitchen countertops, bathroom vanities, wall cladding, feature walls, interior and exterior flooring, stairs, fireplace surrounds, columns, reception desks, tables, furniture, monuments, architectural elements, and other residential and commercial applications. Its dense structure and low water absorption make it suitable for high-traffic and frequently used surfaces.

Finishes:

Polished, honed, leathered, brushed, flamed, sandblasted, waterjet, and other custom finishes.

Maintenance:

Clean regularly with a pH-neutral stone cleaner and a soft cloth or mop. Avoid strong acids, abrasive cleaners, and harsh chemicals. For countertops and other surfaces exposed to staining, sealing is recommended according to the stone's porosity and application. Wipe spills promptly to maintain the polished surface and minimize staining.

Note: The technical, mineralogical, and chemical values above are indicative ranges for database purposes and should be replaced with certified laboratory test results when available.

FAQ

Is Thunderbolt Granite suitable for terrace paving?

Thunderbolt Granite can be suitable for terrace paving, but there are several factors you should consider before making your decision: 1. **Durability**: Granite is known for its strength and durability, which makes it a good choice for high-traffic areas like terraces. It can withstand weather extremes and resist wear and tear over time. 2. **Slip Resistance**: When choosing granite for an outdoor area, consider its finish. Polished granite can be slippery when wet, so a honed or textured finish might be more appropriate for terrace paving to enhance slip resistance. 3. **Maintenance**: Granite is relatively low maintenance, though it may require sealing to protect against stains and moisture infiltration. Regular cleaning is generally sufficient to keep it looking good. 4. **Aesthetic Appeal**: Thunderbolt Granite has a striking appearance, often characterized by unique patterns and color variations, which can add an attractive aesthetic to your terrace. 5. **Cost**: Granite is typically more expensive than some other paving materials. Be sure to budget accordingly and consider whether its benefits justify the cost for your particular project. 6. **Installation**: Proper installation is crucial to ensure stability and longevity. Make sure you use a professional installer with experience in laying granite paving. After considering these factors, if Thunderbolt Granite meets your needs, it can be an excellent choice for your terrace paving project.

Is polished finish Thunderbolt Granite kitchen countertop stain-resistant?

Polished finish Thunderbolt Granite countertops are generally more stain-resistant than their honed or matte-finished counterparts. The polishing process closes the stones pores, making it less absorbent to liquids. However, no natural stone is completely stain-proof. To enhance the stain resistance of granite, its important to seal it properly and reseal as needed, usually once a year, depending on usage and the type of sealer used. Routine maintenance, such as wiping up spills promptly and using cutting boards, trivets, and placemats, will help preserve the countertops appearance and minimize the risk of staining.

Does Thunderbolt Granite vanity top show fingerprints and water spots?

Thunderbolt Granite, like many polished natural stone surfaces, can show fingerprints and water spots to some extent. The highly polished finish can highlight smudges, spots, and streaks, especially if the stone is a dark color. Regular cleaning with a pH-neutral stone cleaner and using a microfiber cloth can help minimize these marks. Additionally, sealing the granite properly can help reduce the visibility of water spots. To maintain its appearance, its advisable to wipe up spills promptly and avoid using harsh chemicals that could damage the stones finish.

Can Thunderbolt Granite kitchen countertop crack or chip?

Yes, Thunderbolt Granite kitchen countertops, like other granite surfaces, can crack or chip, although this is relatively uncommon with proper care and maintenance. Granite is a natural stone known for its durability and resistance to heat, scratches, and general wear and tear. However, it is not completely impervious to damage. Cracks or chips can occur if the countertop is subjected to heavy impacts, such as dropping a heavy object on it. Additionally, placing excessive weight on a small area, such as standing on the countertop, can also lead to cracking. Its essential to avoid direct impacts and use cutting boards to minimize the risk of damage. Proper installation is crucial in preventing cracks, as incorrect installation can lead to stress points that might develop into cracks over time. Regular sealing can also help protect the surface from stains and minor damage. If your countertop does crack or chip, it can often be repaired by a professional to restore its appearance and functionality.

Can acidic foods damage Thunderbolt Granite commercial kitchen countertop?

Thunderbolt Granite, like most granites, is generally durable and resistant to many types of damage, including heat and scratches. However, granite is still a natural stone and can be affected by acidic substances. Acidic foods like citrus fruits, vinegar, tomatoes, and soft drinks can potentially etch or dull the surface of granite over time if they are left in contact for prolonged periods or if the countertop is not properly sealed. To protect your Thunderbolt Granite countertop: 1. **Seal the Granite Regularly**: Ensure that your countertop is sealed properly. A good seal will provide a protective barrier that helps prevent staining and etching. Depending on the sealer used, you may need to reseal the countertop every 1-2 years. 2. **Clean Spills Immediately**: Wipe up any spills from acidic foods as soon as possible to minimize the risk of damage. 3. **Use Cutting Boards and Trivets**: Avoid cutting directly on the countertop or placing hot pans and pots directly on it, as this can damage both the seal and the stone. 4. **Regular Maintenance**: Clean the granite with a mild detergent or a cleaner specifically designed for natural stone. Avoid using harsh chemicals or abrasive pads. By following these precautions, you can help maintain the appearance and integrity of your Thunderbolt Granite countertop in a commercial kitchen setting.

Does the color of Thunderbolt Granite slabs vary?

Yes, the color of Thunderbolt Granite slabs can vary. Thunderbolt Granite, also known as Maroon Cohiba or Cohiba Granite, typically features a rich blend of dark brown, black, grey, and burgundy tones. The exact appearance can vary from slab to slab due to the natural formation of the stone. Some slabs may have a more pronounced burgundy hue, while others might lean more towards darker shades. The presence of veining and speckling can also differ, contributing to the unique character of each piece. As with any natural stone, its recommended to view multiple slabs in person to select the one that best suits your aesthetic preferences for your project.

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