Charcoal Black®

Primary Color: Black, Gray

Quarry Location: St. Cloud, MN

Absorption (ASTM C97): 0.15%

Density (ASTM C97): 170 lb/ft³

Compressive Strength (ASTM C170): 32,370 Psi

Modulus of Rupture (ASTM C99): 2,427 Psi

Company: Coldspring

 

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© National Building Granite Quarries Association, 2017