Black Basalt
Black Basalt
Risers

Black Basalt

A deep, profound black defines these basalt risers, quarried primarily in Vietnam and Mongola. This basalt presents a uniform, velvety black hue with a fine-grained surface that provides a clean, sophisticated appearance suitable for a wide range of architectural applications. The fine to medium grain structure delivers exceptional hardness and compressive strength, making these risers ideal for stair construction and architectural detailing, while the flamed or bush-hammered finish provides a refined, slip-resistant surface suitable for all weather conditions. The thermal treatment creates a uniform, textured surface that enhances the stone’s natural beauty while ensuring safe footing in all conditions. Highly durable with minimal water absorption and outstanding frost resistance, this volcanic stone performs flawlessly in the harshest climates. Bring timeless elegance, dramatic contrast, and enduring performance to your project with these distinctive risers.

Applications: Stairs
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Origin

Vietnam, Inner Mongolia, China

Synonyms

Neimang Black Risers, Menggu Black Steps, G133 Basalt Stair Risers, Mongolia Black, Mongo Basalt, Nero Mongolia

Color

Deep, uniform black with fine crystalline structure and subtle mineral variations

Available Finishes

Polished, Honed, Flamed, Brushed, Sandblasted, Bush-hammered, Saw-Cut, Split

Compressive Strength

153.8 – 201.1 MPa

Water Absorption

0.09 – 0.29%

Density

2640 – 2980 kg/m³

Recommended Use

Stair risers, step construction, architectural detailing, facade cladding

Key Properties

Frost-resistant, extremely durable, low maintenance, acid-resistant, reliable slip resistance with textured finishes, timeless dark aesthetic ideal for modern and classical architecture

  • 2 x 15 x 90 cm
  • 2 x 15 x 100 cm
  • 2 x 15 x 120 cm
  • 3 x 15 x 90 cm
  • 3 x 15 x 100 cm
  • 3 x 15 x 120 cm
  • Custom sizes are available upon request
the reidstone way
Quality Control
Quality
Control

Every order is vigorously inspected to meet your specific project requirements.

Export Grade Wood Crates
Export Grade
Wood Crates

Packed in durable ISPM-15 wooden crates for maximum protection.

Label And Secure
Label
& Secure

Every crate is securely packed and labeled with the required shipping marks.

Container Loading
Container
Loading

Carefully loaded and secured to ensure safe transport worldwide.

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