Oahu Black Basalt - HonedHoned
Oahu Black Basalt - SandblastSandblast
Oahu Black Basalt - Bush HammerBush Hammer
Oahu Black Basalt - Antiqued AdzeAntiqued Adze
Oahu Black Basalt - AdzeAdze
Oahu Black - PitchedPitched

Standard Test Data

Density (lbs/cf): 167.17
Water Absorption %: 1.36
Compressive Strength (Wet) PSI: 18,500
Compressive Strength (Dry) PSI: 2,000
Flexural Strength (Wet) PSI: 2,651
Flexural Strength (Dry) PSI: 3,292