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Zhangpu Black Basalt

Zhangpu Black BasaltZhangpu Black BasaltZhangpu Black Basalt
Zhangpu Black Basalt

Black - Basalt

China

About

Item Details

Material Type:
Basalt
Origin:
China (Zhangpu, Fujian province)
Primary Color(s):
Black
Recommended Usage:
kitchen and bathroom countertop, 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:
China Black Basalt, Dark Green Basalt, Frog Green Basalt, Ocean Green Basalt, Zangpu Basalt, Zhangpu Black Lavastone, Zhangpu Lava Stone, Zhangpu Qing Basalt, in China stone market:漳浦黑(Zhāng pǔ hēi), 黑色玄武岩 (hēi sè xuán wǔ yán), Zhangpu Black Basalt
Finished Surface:
Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.13 %
Density:
2810 kg/m3
Flexural Strength:
358 kg/cm2
Compressive Strength:
1391 kg/cm2
Stone texture:
a fine-grained charcoal black volcanic rock

Description

Zhangpu Black Basalt is a fine-grained, charcoal black volcanic rock quarried from Zhangpu in the Fujian province of China. It is recognized for its elegant appearance and strong physical and mechanical properties, making it a popular choice for various construction and architectural applications.

Physical and Mechanical Properties

  • Color: Charcoal Black
  • Water Absorption: 0.13%
  • Density: 2810 kg/m³
  • Flexural Strength: 358 kg/cm²
  • Compressive Strength: 1391 kg/cm²
  • Hardness: Typically, basalt is known for its high hardness, often falling around 6 to 7 on the Mohs scale.
  • Porosity: Quite low, contributing to its durability and resistance to weathering.
  • Slip Resistance: Generally good, depending on the surface finish; honed and polished finishes may be less slip resistant compared to textured finishes.

Chemical and Mineral Compositions (Approximate % by weight)

Basalt is primarily composed of minerals such as plagioclase and pyroxene, with minor amounts of olivine. Typical chemical compositions might include:

  • Silicon Dioxide (SiO₂): ~45-55%
  • Aluminum Oxide (Al₂O₃): ~14-18%
  • Iron Oxide (FeO/Fe₂O₃): ~5-12%
  • Calcium Oxide (CaO): ~7-12%
  • Magnesium Oxide (MgO): ~5-12%
  • Potassium Oxide (K₂O): ~0.5-2%
  • Sodium Oxide (Na₂O): ~2-5%

Usage

  • Interior Applications: Flooring, wall cladding, countertops, and decorative accents.
  • Exterior Applications: Paving, outdoor cladding, landscaping, and monuments.
  • Architectural Features: Columns, balustrades, and fountains due to its versatile appearance and durability.

Maintenance

  • Routine Cleaning: Regular sweeping and damp mopping with water or a mild, pH-neutral cleaner.
  • Sealing: Periodic sealing is recommended to enhance longevity and resistance to stains, though its low porosity means it is less susceptible to staining than more porous stones.

Cutting Sizes and Surface Finish Options

  • Common Cutting Sizes: Available in a variety of sizes tailored to project needs, often ranging from small tiles to large slabs.

Surface Finish Options:

  • Polished: Provides a glossy, reflective surface, enhancing the stone's color and patterns but may be more slippery.
  • Honed: Offers a smooth, matte finish that is less reflective and slightly rougher to the touch.
  • Flamed: Produces a textured surface with high slip resistance, ideal for outdoor use.
  • Bush-Hammered: A rough, heavily textured finish achieved by hammering for a rustic look and excellent slip resistance.
  • Sandblasted: Achieves a subtly textured, matte surface by blasting with fine grains.

Zhangpu Black Basalt's combination of aesthetic appeal and pragmatic durability makes it particularly suitable for both contemporary and traditional designs, offering both beauty and longevity in various settings.

FAQ

Can China's Zhangpu Black Basalt be used in landscaping?

Yes, Chinas Zhangpu Black Basalt can be used in landscaping. Zhangpu Black Basalt is a type of volcanic rock with a black color and fine-grained texture. It is highly durable and resistant to weathering, making it suitable for various landscaping applications. It is commonly used for paving driveways, pathways, and outdoor patios. Zhangpu Black Basalt can also be used for creating retaining walls, garden borders, and decorative rock features in landscaping designs. Its dark color and sleek appearance can add a modern and elegant touch to outdoor spaces.

Can China's Zhangpu Black Basalt be used exterior applications in very rainy climates?

Yes, Chinas Zhangpu Black Basalt can be used for exterior applications in very rainy climates. It is a durable and weather-resistant natural stone that can withstand harsh weather conditions, including heavy rain. Its natural properties make it resistant to water absorption, so it is less likely to crack or fade due to moisture exposure. However, it is still important to properly seal and maintain the stone to ensure its longevity and prevent any potential water damage.

Can China's Zhangpu Black Basalt be used in a office?

Yes, Chinas Zhangpu Black Basalt can be used in an office setting. It is a durable and versatile material that can be used for various purposes in an office, such as flooring, wall cladding, countertops, and even decorative elements like reception desks or conference tables. Its dark color and sleek finish can add a sophisticated and modern look to the office space. Additionally, black basalt is known for its resistance to scratches and stains, making it a suitable choice for high-traffic areas in the office.

Are there color variations of China's Zhangpu Black Basalt?

Yes, there can be variations in the color of Chinas Zhangpu Black Basalt. The color of the stone can range from a deep black to a dark gray or even have subtle hints of brown. These color variations occur naturally due to differences in mineral composition and the presence of other minerals or impurities within the stone. The specific color variation can also depend on the exact quarry or location where the stone is extracted.

What grade is China's Zhangpu Black Basalt?

Chinas Zhangpu Black Basalt is generally considered to be of high quality and is commonly used for a variety of construction and decorative purposes. The grade of this basalt can vary depending on factors such as the color consistency, grain size, porosity, and durability. However, it is widely regarded as a premium quality black basalt.

How thick is China's Zhangpu Black Basalt slabs?

The thickness of Chinas Zhangpu Black Basalt slabs can vary depending on the specific requirement of the customer or project. However, common thickness options for Zhangpu Black Basalt slabs are usually between 1 1/4 inches (3.18 cm) and 3 cm (1 3/16 inches).

Can China's Zhangpu Black Basalt be used outdoors?

Yes, Chinas Zhangpu Black Basalt can be used outdoors. It is a durable and hard volcanic rock, known for its resistance to weathering and erosion. It is commonly used in outdoor applications such as paving, landscaping, cladding, and construction. However, it is always recommended to consult with a professional stone supplier or architect to ensure that the specific type of basalt is suitable for the intended outdoor use.

Is China's Zhangpu Black Basalt an expensive stone?

I dont have the latest market prices of Zhangpu Black Basalt. However, the price of natural stone depends on various factors such as availability, quality, origin, and demand. So, its better to check with a local supplier or stonemason for the current market price.

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