Kully Chaha Native Stone Stone Specifications for "Cameron Stone" "Cameron Stone" is an Oklahoma Sandstone with Multi-blend earth tone colors (light tan to dark brown/black) The average weight is approx. 12# / sq. ft. / inch of thickness Specific Gravity averages 2.2 Moisture absorption is <1% Typical compressive strength is 5,500 PSI Coefficient of static friction (corrected C/F) dry =.71, wet =.47