Origin
Vietnam, Inner Mongolia, China
Synonyms
Neimang Black Palisades, Menggu Black Posts, G133 Basalt Bollards, Mongolia Black Security Posts, Mongo Basalt, Nero Mongolia
Color
Deep, uniform black with fine crystalline structure and subtle mineral variations
Finish
Flamed, Honed, Bush-Hammered, Split, or Saw-Cut
Compressive Strength
153.8 – 201.1 MPa
Water Absorption
0.09 – 0.29%
Density
2640 – 2980 kg/m³
Recommended Use
Retaining walls, security barriers, vehicle access control, boundary delineation, landscape design, public realm infrastructure, car park barriers, pedestrian guidance, monuments
Key Properties
Frost-resistant, extremely durable, low maintenance, acid-resistant, high load-bearing capacity, reliable slip resistance with textured finishes, cost-effective alternative to premium black basalts, timeless dark aesthetic ideal for modern and classical landscape architecture









