Post Your Needs

King Black Basalt

Basalt

Viet Nam

About

Item Details

Material Type:
Basalt
Origin:
Viet Nam
Recommended Usage:
Kitchen and bathroom countertops, monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, window sills, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, pavers, cobbles, curbstone
Additional Names:
Vietnam Black Basalt, Vietnam Black Lavastone, Vietnam Black Lava Stone, in China stone market:墨玉(mò yù), King Black Basalt
Finished Surface:
Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:
0.15–0.25 %
Density:
2750–2800 kg/m³
Flexural Strength:
15–20 MPa
Compressive Strength:
150–180 MPa

Description

King Black Basalt, a premium, fine-grained, charcoal black basalt quarried in Vietnam. Renowned for its uniform deep black color, durability, and natural elegance, King Black Basalt is ideal for both architectural and landscape applications.

Texture & Pattern

  • Texture: Fine-grained, dense crystalline structure
  • Pattern: Uniform and homogeneous dark black surface with subtle natural variations
  • Visual Effect: Sleek, modern, and minimalist appearance suitable for contemporary design

Technical Properties (Typical Values)

  • Water Absorption: ~0.15–0.25 %
  • Density: ~2,750–2,800 kg/m³
  • Flexural Strength: 15–20 MPa
  • Compressive Strength: 150–180 MPa
  • Hardness: High (suitable for heavy foot traffic and exterior applications)

Chemical & Mineral Composition (% by weight – typical)

  • Silica (SiO₂): 45–50 %
  • Alumina (Al₂O₃): 14–18 %
  • Iron Oxides (Fe₂O₃ / FeO): 10–12 %
  • Magnesium Oxide (MgO): 7–10 %
  • Calcium Oxide (CaO): 6–8 %
  • Other Trace Minerals: 1–3 %

Applications

King Black Basalt is suitable for:

  • Interior and exterior flooring
  • Wall cladding and feature walls
  • Kitchen countertops, staircases, and paving
  • Landscaping and outdoor pathways
  • Monuments and architectural elements

Maintenance

  • Clean with pH-neutral stone cleaners
  • Avoid acidic or abrasive products
  • Routine maintenance preserves surface appearance and durability
  • Sealing optional, especially for high-traffic or wet areas

FAQ

Is King Black Basalt paving slippery when wet?

King Black Basalt paving, like many natural stone surfaces, can become slippery when wet. The level of slipperiness can vary depending on the finish of the stone. A honed or polished finish will generally be more slippery compared to a sawn or flamed (textured) finish, which provides more grip. If you are concerned about slipperiness, it is advisable to choose a textured finish or apply a non-slip treatment to the surface. Additionally, regular cleaning to prevent algae or moss build-up can help maintain traction.

Does King Black Basalt paving need sealing?

King Black Basalt paving generally does not require sealing due to its dense and durable nature. Basalt is a non-porous, hard stone, making it resistant to moisture absorption and staining. However, sealing can still be beneficial in certain situations, such as: 1. **Enhanced Appearance**: Sealing can bring out the natural color and variations in the stone, giving it a more vibrant look. 2. **Additional Stain Protection**: Even though basalt is resistant to stains, sealing provides an extra layer of protection against potential spills or environmental stains, like oil or grease, especially in high-traffic areas. 3. **Ease of Maintenance**: Sealed surfaces can be easier to clean and maintain, as the sealing creates a barrier that prevents dirt and grime from adhering to the stone. If you decide to seal your basalt paving, be sure to choose a high-quality impregnating sealer specifically designed for use on natural stone. Its also wise to test the sealer on a small area first to ensure it delivers the desired effect, and always follow the manufacturers instructions for application.

Can 5 cm thick King Black Basalt be used for driveway?

Yes, 5 cm thick King Black Basalt can potentially be used for a driveway, but there are several factors to consider before making a decision. Basalt is a dense, durable igneous rock thats often used in construction and landscaping due to its strength and resistance to wear. Here are a few things to keep in mind: 1. **Load-Bearing Capacity:** The thickness of 5 cm (approximately 2 inches) might be sufficient for residential driveways subjected to regular car traffic. However, if the driveway will also accommodate heavier vehicles, such as trucks or RVs, a thicker slab might be necessary to prevent cracking or damage. 2. **Subgrade Preparation:** Proper preparation of the subgrade is essential for any driveway installation. A well-compacted base material can help distribute weight evenly and prevent settling or shifting over time. 3. **Installation Technique:** The method of installation (e.g., dry-lay vs. wet-lay) and the materials used (e.g., sand or mortar) will also impact the durability and longevity of the driveway. 4. **Maintenance:** Natural stone driveways require maintenance to minimize wear and damage over time. Regular sealing and cleaning can help maintain the appearance and integrity of the basalt. 5. **Climate Considerations:** Depending on the local climate, factors such as freeze-thaw cycles could affect the durability of the basalt. Proper drainage and installation techniques can help mitigate these effects. 6. **Aesthetic Preferences:** Besides functional considerations, the choice of King Black Basalt can be influenced by its appearance and how well it complements the surrounding landscape and architectural style. Its advisable to consult with a professional contractor or engineer who can assess the specific conditions of your property and provide guidance tailored to your situation.

How thick should King Black Basalt pool terrace pavers be?

The thickness of King Black Basalt pool terrace pavers can vary depending on their intended use, local building codes, and personal preferences. However, a common thickness for basalt pavers used in outdoor applications like pool terraces is typically between 1.25 to 2 inches (approximately 3 to 5 cm). This thickness provides adequate strength and durability to withstand foot traffic and environmental conditions. It is important to consult with a contractor or supplier to determine the most suitable thickness for your specific project and to ensure it meets any relevant regulations or standards.

How far apart should 18 inch width King Black Basalt stepping stones be?

When placing stepping stones, the general guideline is to space them based on a comfortable stride length, typically around 24 to 30 inches from the center of one stone to the center of the next. However, this can vary depending on personal preference, the intended use, and the users stride lengths. For 18-inch wide King Black Basalt stepping stones, consider the following: 1. **Stride Length**: Measure your comfortable stride length. For most people, a 24 to 30-inch spacing works well. 2. **Stone Centering**: If you want to follow typical spacing, measure from the center of one stone to the center of the next to keep them evenly spaced. 3. **Path Usage**: If the path is intended for frequent use or by individuals with shorter or longer strides (such as children or taller adults), adjust the spacing accordingly. 4. **Aesthetic and Safety**: Ensure that the stones are visually appealing and that there is minimal risk of tripping, especially if the path will be used in low light conditions. By considering these factors, you can achieve both functional and visually pleasing results for your stepping stone path.

Is King Black Basalt good for kitchen countertops?

King Black Basalt can be a good choice for kitchen countertops, depending on your preferences and requirements. Here are some factors to consider: 1. **Durability**: Basalt is an igneous rock, making it quite durable and resistant to scratching and heat. This makes it suitable for kitchen countertops where these properties are important. 2. **Aesthetic Appeal**: King Black Basalt has a dark, uniform appearance, which can provide a sleek and modern look to a kitchen. Its consistent color and texture can match various kitchen designs. 3. **Maintenance**: Like most natural stones, basalt requires sealing to prevent staining and etching, especially in a kitchen environment where spills are common. Regular maintenance is necessary to keep it looking its best. 4. **Cost**: Basalt is generally less expensive than some other natural stones like granite or marble, though prices can vary depending on the source and availability. 5. **Non-Porous**: It’s less porous than some stones, but still requires periodic sealing to enhance its resistance to moisture and stains. If you are considering King Black Basalt, it might be worth consulting with a countertop professional to understand its specific characteristics and how it might perform in your particular kitchen setting.

Products & Prices

Hot Basalt

New Basalt

Post Your Request

The request includes:
  1. surface finished, size
  2. quantity required