Columbia Black Granite - HonedHoned
Columbia Black Granite - AntiquedAntiqued
Columbia Black Granite - Antiqued Bush HammerAntiqued Bush Hammer
Columbia Black Granite - Bush Hammer and WaterjetBush Hammer and Waterjet
Columbia Black Granite - PitchedPitched

Standard Test Data

Density (lbs/cu ft): 191.86
Water Absorption %: 0.02
Compressive Strength (Wet) PSI: 27,100
Compressive Strength (Dry) PSI: 28,700
Flexural Strength – Vein Cut (Wet) PSI: 4,007
Flexural Strength – Vein Cut (Dry) PSI: 4,140
Flexural Strength – Fleuri Cut (Wet) PSI: 4,082
Flexural Strength – Fleuri Cut (Dry) PSI: 3,953